Sport Silencers / Mufflers

Akrapovic dB Reducer (Titanium)

Fits:
Porsche 911 GT3 (991.1) 2014 - 2017
Porsche 911 GT3 / GT3 Touring (991.2) 2018 - 2019
Porsche 911 GT3 / GT3 Touring (992.1) 2021 - 2024
Porsche 911 GT3 RS (991.1) 2014 - 2017
Porsche 911 GT3 RS (991.2) 2018 - 2020
Porsche 911 GT3 RS / S/T (992.1) 2022 - 2025

Designed and constructed exclusively for the Porsche 911 GT3 (991) and GT3 RS (991), the Akrapovič dB reducer (Titanium) is aimed at driving enthusiasts who need to keep the noise of the exhaust within approved levels during track-day use. Made from high-grade lightweight titanium, the dB reducer works like an additional muffler to allow extra expansion of the exhaust gases. It is easily fitted by simply removing the Akrapovič tailpipe set and then mounting the dB reducer in place. After installation, the Akrapovič dB reducer (Titanium) reduces dynamic sound levels* by approximately two or three decibels** while still retaining the unique Akrapovič sound and character. It is designed to fit and reduce the measured dynamic sound levels of all Akrapovič systems for the Porsche 911 GT3 (991) and GT3 RS: the Slip-On Line (Titanium), Evolution Line (Titanium), Sports Cup Line (Titanium), and Evolution Race Line (Titanium). The Akrapovič dB reducer (Titanium) is also totally compatible with the optional Akrapovič carbon-fibre diffuser, which is available for the Porsche 911 GT3 (991).

The Akrapovič dB reducer (Titanium) fits also to the stock exhaust system of the 911 GT3 (992) and GT3 RS (992).

*Dynamic sound levels apply to a moving vehicle and not the volume from a static vehicle.

**Noise reduction value is relative (or may vary) due to various noise-measuring methods used and external conditions at different racetracks.

Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.

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TP-PO991GT3

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Akrapovic Evolution header set (Titanium)

Fits:
Porsche 911 GT3 RS (991.2) with OPF/GPF 2019 - 2020
Porsche 911 Speedster with OPF/GPF 2019 - 2020

Evolution Header Set (Titanium) must be mounted together with:
• Slip-On Line (Titanium) system S-PO/TI/15
or
• Slip-On Race Line (Titanium) system S-PO/TI/8.
An additional original Porsche stock bracket (Porsche p/n: 99111147391) is required for mounting the Akrapovič exhaust system. Please read the instructions carefully before the start of the installation.


Evolution Header Set converts the slip-on system into a full system designed to give noticeably increased power at higher revs. Handcrafted titanium headers incorporate 100 cpsi sports catalytic convertors and side mufflers—all designed to increase power and torque—the Evolution Header Set utilizes integrated catalytic convertors and the functionality of the exhaust valves to deliver an out-and-out attack on the senses. With the valves in the open position, it delivers a sportier and hard-hitting sound, but also has the option of a lower sound level when the valves are closed, perfect for use in more everyday locations. Offering an increased weight savings in the area behind the engine and the rear axle, the reduction will enhance the handling and improve performance.

When installing Akrapovič aftermarket optional link pipes with sports catalytic converters or without catalytic converters, which are developed for use on closed tracks only, remapping the ECU is mandatory. When installing Akrapovič aftermarket exhaust system that was developed for use on closed tracks, we recommend remapping the ECU in order to prevent potential »check engine light« warning signals.

NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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E-PO

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Slip-On Line (Titanium)

Fits:
Porsche 911 (991.2) GT3 RS

Hard facts:
power: +4.6 kW at 4200 rpm
torque: +10.4 Nm at 4200 rpm
weight: -1.4 kg

Akrapovič's Slip-On Line represents the first step in the exhaust system tuning process and the muffler can easily be installed onto the Porsche GT3 RS's original system. Built from hi-grade titanium and finished with two eye-catching double round tailpipes, this entry system makes the GT3 RS more powerful and lighter, and gives the car that unique Akrapovič sound, while still meeting ECE specifications.

The mandatory tail pipe set TP-T/S/19/H needs to be ordered separately. When combining the slip-on system with optional carbon fibre diffuser DI-PO/CA/7/G, you must use tail pipe set TP-T/S/17/H or TP-T/S/17.

The Slip-On system can be optionally combined with Link Pipe Set (Titanium) that retains stock headers and removes stock side mufflers, or it can be upgraded into a full Akrapovič exhaust system, either with combining it with Evolution Race Header Set without valves or Evolution Header Set with side mufflers and valves. If the system is upgraded with link pipe or evolution sets, the ECE type approval is not valid anymore.

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S-PO

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Akrapovic Slip-On Line Titanium Exhaust

Fits:
Porsche 997.1 GT3 3.6L 2007>>
Porsche 997.2 GT3 3.8L 2010>>
Porsche 991 (911) GT3 2014>>
Porsche 991 (911) GT3 RS 2014>>

Akrapovič's Slip-On Line represents the first step in the exhaust system tuning process and the muffler can easily be installed onto the Porsche GT3's original system. Built from hi-grade titanium and finished with two eye-catching double round tailpipes, this entry system makes the GT3 more powerful and lighter, and gives the car that unique Akrapovič sound. Designed to make the car stand out from the crowd and increase its appeal even more, the visual delight of the Akrapovič Slip-On can be further enhanced with the addition of an optional carbon- fibre rear diffuser. Beautifully handcrafted from the finest materials and designed to enrich the exclusive look of the titanium exhaust system, the diffuser is a must-have extra for any discerning owner.

TECHNICAL DATA
* measured with: Porsche 911 GT3 RS (991) 2014

Maximum power:
- kW: plus 4.5 at 7800 rpm
- HP (m): plus 6.1 at 7800 rpm
- HP (i): plus 6 at 7800 rpm

Maximum torque:
- Nm: plus 4.9 at 8100 rpm
- lb-ft: plus 3.6 at 8100 rpm

Weight:
- minus 1.1 kg / 2.4 lb

*** Mandatory Extra Part Required
Tail pipe set (Titanium) - part no TP-PO991RS/H/T

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MTP-PO997GT3H

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Slip-On race line (Titanium).

Fits:
Porsche 911 (991.2) GT3 RS OPF model

Hard facts:
power: +4.6 kW at 4200 rpm
torque: +10.4 Nm at 4200 rpm
weight: -1.4 kg

Slip-on system (S-PO/TI/15) for GT3 RS OPF model must be mandatory combined with:

- Evolution Header Set (E-PO/T/6)

- Tail pipe set TP-T/S/19. When combining the slip-on system with optional carbon fibre diffuser DI-PO/CA/7/G, you must use tail pipe set TP-T/S/17.

- An additional original Porsche stock bracket (Porsche p/n: 99111147391) is required for mounting the Akrapovič exhaust system. Please read the instructions carefully before the start of the installation.

This Slip-On system (S-PO/TI/15) must be upgraded into a full Akrapovič Evolution Line exhaust system by combining it with the Evolution Header Set (E-PO/T/6) with side mufflers and valves, which is designed to unleash the system's full potential and enhance the performance of the car as the revs rise. With superb attention to detail, including parts cast in Akrapovič's own titanium foundry, the craftsmanship and coating finish on the system is a joy to behold. With an exhaust manifold incorporating 100 cpsi sports catalytic convertors and side mufflers, the Evolution Line utilizes integrated catalytic convertors and the functionality of the exhaust valves to deliver an out-and-out attack on the senses. It offers increased weight savings in the area behind the engine and rear axle. The Evolution Line is also tuned to deliver a sporty and hard-hitting sound. The more the engine is revved and the acceleration builds, the six-cylinder engine sound delivers a rich, harmonic, and high-frequency soundtrack, making every journey a memorable experience and one that continues even after the throttle is released, providing a full and rewarding sensory experience.

When installing Akrapovič aftermarket optional link pipes with sports catalytic converters or without catalytic converters, which are developed for use on closed tracks only, remapping the ECU is mandatory. When installing Akrapovič aftermarket exhaust system that was developed for use on closed tracks, we recommend remapping the ECU in order to prevent potential »check engine light« warning signals.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

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S-PO

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Akrapovic Slip-On race line (Titanium).

Fits:
Porsche 911 Speedster - OPF/GPF 2019 - 2020
Porsche 911 GT3 RS (991.2) 2018 - 2020
Porsche 911 GT3 RS (991.2) - OPF/GPF 2019 - 2020
Porsche 911 GT3 / GT3 Touring (991.2) 2018 - 2019
Porsche 911 GT3 (991.1) 2014 - 2017

Elevate your Porsche with the Akrapovič Slip-On Race Line Exhaust System, expertly designed to integrate seamlessly with the original system of your Porsche 911. This system, constructed from high-grade titanium and highlighted by dual round tailpipes, boosts your car’s power and reduces its weight while delivering the distinctive, sporty Akrapovič sound that resonates with racing heritage.

Key Features:

High-Grade Titanium Construction: Ensures durability and a significant reduction in overall weight.
Dual Round Tailpipes: Provide an aggressive aesthetic and contribute to the enhanced exhaust flow.
Optional Carbon-Fibre Diffuser: Available to increase visual appeal and aerodynamic efficiency. Note: Specific tail pipe sets are required when combining with the carbon fibre diffuser.
Modular Design: Allows for easy integration with optional link pipe sets and full Akrapovič exhaust systems, including the Evolution Race Header Set with or without valves. This modularity provides flexibility in enhancing sound and performance characteristics to suit your preferences.

With its exceptional workmanship and cutting-edge technology, the Akrapovič Slip-On Race Line exhaust system not only amplifies your vehicle's performance but also its presence on the road or track, ensuring it stands out with a powerful racing growl that matches its enhanced capabilities.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

911 GT3 RS (991.2) - OPF/GPF / 911 Speedster - OPF/GPF:

This Slip-On Race system (S-PO/TI/8) must be upgraded into a full Akrapovič Evolution Race Line exhaust system by combining it with the Evolution Header Set (E-PO/T/6) with side mufflers and valves, which is designed to supplement the performance at higher revs. With complex parts cast in Akrapovič’s own titanium foundry, the expertise used in this system, and the coating finish, the system demonstrates the highest standard of workmanship and technology. Incorporating 100 cpsi sports catalytic convertors in the exhaust manifold and side mufflers, the Evolution Race Line utilizes integrated catalytic convertors and the functionality of the exhaust valves to deliver a complete workout for the senses. The system offers a near-perfect power curve, along with an altered torque distribution, all designed to continually deliver performance as the revs rise. The use of lightweight materials results in big weight savings, and the addition of the Evolution Race Line will have the car performing like a true cup racer, with a powerful racing sound that resonates with every push of the accelerator pedal, producing a deep, pure racing growl to match the performance.

When installing Akrapovič aftermarket optional link pipes with sports catalytic converters or without catalytic converters, which are developed for use on closed tracks only, remapping the ECU is mandatory. When installing Akrapovič aftermarket exhaust system that was developed for use on closed tracks, we recommend remapping the ECU in order to prevent potential »check engine light« warning signals.

Mandatory Parts:

• Evolution Header Set (E-PO/T/6/1)
• Tail pipe set TP-T/S/19. When combining the slip-on system with optional carbon fibre diffuser DI-PO/CA/7/G, you must use tail pipe set TP-T/S/17.
• An additional original Porsche stock bracket (Porsche p/n: 99111147391) is required for mounting the Akrapovič exhaust system. Please read the instructions carefully before the start of the installation.

911 GT3 RS (991.2)

•  The mandatory tail pipe set TP-T/S/19 needs to be ordered separately. When combining the slip-on system with optional carbon fibre diffuser DI-PO/CA/7/G, you must use tail pipe set TP-T/S/17/H or TP-T/S/17.
•  The Slip-On Race system can be optionally combined with Link Pipe Set (Titanium) that retains stock headers and removes stock side mufflers, or it can be upgraded into a full Akrapovič exhaust system, either with combining it with Evolution Race Header Set without valves or Evolution Header Set with side mufflers and valves.

911 GT3 / GT3 Touring (991.2)

•  The mandatory tail pipe set TP-T/S/17 needs to be ordered separately.
•  The Slip-On Race system can be optionally combined with Link Pipe Set (Titanium) that retains stock headers and removes stock side mufflers, or it can be upgraded into a full Akrapovič exhaust system, either with combining it with Evolution Race Header Set without valves or Evolution Header Set with side mufflers and valves.

911 GT3 (991.1)
•  The mandatory tail pipe set TP-T/S/19 needs to be ordered separately.
•  The Slip-On Race system can be optionally combined with Link Pipe Set (Titanium) that retains stock headers and removes stock side mufflers, or it can be upgraded into a full Akrapovič exhaust system, either with combining it with Evolution Race Header Set without valves or Evolution Header Set with side mufflers and valves.

Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.

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S-PO

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Exhaust final muffler with black chrome tailpipes



High quality SUS304 stainless steel exhaust rear section compatible with OE rear mufflers. Complimented by black chrome tail pipe in ⌀89mm

Designed for maximum flow and no restriction.

Reduced back pressure and better scavenging. More torque and horsepower across the RPM band.

Fits:
Porsche 991 GT3 3.8L 476 Bhp 2013 - 2017 (A175 engine)
Porsche 991 GT3 RS 4.0L 507 Bhp 2013 - 2017 (A175 engine)
Porsche 911 R 4.0L 507Bhp 2014-2017 (A176 engine)

Please note: This will not fit cars:
- with engine codes DNSA / DNSB - 4.0L with 520 Bhp
- released after 06/2017 with engine codes DGG / DGGA / DGGB

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3606609136

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Fabspeed Rennsport Muffler. 

The ULTIMATE OEM style high performance replacement muffler for your GT3

FEATURES:
•   Fits all Porsche 991.2 GT3 / GT3 RS vehicles 2017-2019 worldwide
•   Constructed from CNC cut T304L stainless steel
•   Designed from 3D scans of the OEM muffler so we can achieve perfect bolt-on fitment
•    Will not break or crack like ALL OEM GT3 mufflers do
•    Incorporates our signature cast X-pipe for superior flow and exhaust scavenging- versus any and all other brands.
•    Paired with our Side Muffler Bypass Pipes this muffler adds +27 ft/lbs of TQ and +16 WHP or +18 HP at the crank!
•   4 different tip options available- Carbon Fiber, TITANIUM, Stainless steel polished, brushed or black coated.
•   Completely retains PSE valved exhaust functionality
•   No Check Engine Light guaranteed
•   This cat-back system is emissions legal in all 50 states, CARB approved exempt and emissions legal in the rest of the world
•   Built in house at Fabspeed Motorsport USA in Fort Washington, PA
•   Simple bolt-on installation, no cutting or welding required
•   All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

As many GT3 owners know, the OEM mufflers are prone to cracking, breaking and blowing out, particularly the titanium mufflers on GT3RS cars. Fabspeed Motorsport Engineers design a GT3 primary muffler replacement that not only fixed that issue but also greatly improved on the OEM design in multiple measurable ways. Using our 30+ years of air and water-cooled experience, we took the valve open tubing to 2.75in / 70mm which is the optimal diameter for GT3 engines to have low restriction but maintain high velocity and high RPM GT3 pitch for the signature GT3 CUP car sound. Then, we implemented our signature investment cast 70mm 2.75" X-Pipe for optimal exhaust scavenging and maximum volumetric efficiency. The X merges the two cylinder banks without creating any restriction in exhaust flow. To maintain the factory muffler’s exhaust note and lack of drone, we mimicked Porsche’s 7 chamber design. This makes for a completely drone free muffler, even when running cat-less race headers! Using GT3 headers with cats or Fabspeed headers with HJS German EPA approved catalytic converters along with Fabspeed GT3 Side Muffler Muffler Bypass Pipes for the ultimate emissions compliant lightweight GT3 exhaust. Fabspeed's GT3 center muffler is guaranteed to NEVER BREAK or fail- and OUTPERFORM any other aftermarket GT3 center muffler. 100% made in house at Fabspeed.

SOUND:
This muffler will have a very similar tone to the OEM muffler, however, it will be a bit louder with PSE turned on. It will also sound a bit smoother and higher pitched thanks to our signature X-pipe.

POWER:
On our 991.1 GT3RS test car, paired with our Side Muffler Muffler Bypass Pipes, the Rennsport Muffler picked up an impressive 27 ft/lbs of TQ down low at 3,200 RPM. From 2,900 RPM all the way to 5,700 RPM it picks up =12 horsepower or more, and peak power at the wheels is up from 446 to 454! That’s a gain of over 12 HP at the crank- from simply swapping out the fragile restrictive OEM Porsche 997GT3 to the very latest 991.2 GT3 Titanium OEM factory mufflers. BEST ADVICE- but and install a Fabspeed GT3 center muffler and SAVE you fragile OEM GT3 muffler for Concours shows and restoration. All GT3 OEM mufflers BREAK & EXPLODE when driven long and hard enough.

NOTE:
•   Requires OEM gaskets and hardware to be reused
•   If they are not available here are the necessary part numbers. 
•     2x Muffler band straps (99711111970)
•     2x Bolt for muffler band strap (90006736201)
•     2x Each Side Muffler to Center Muffler Gaskets (99711156390, 99711156190)  

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

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FSPOR9912GT3RSM

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Sport Exhaust Cat-Back.

Fits:
Porsche 911 (991.1) GT3 & GT3 RS 2013>>2017
Porsche 911 (991.2) GT3 & GT3 RS 2018>>2020

Parts Assembly:
MSPO245: Rear Silencer Delete Assembly

NOTES: Re-Uses OE Porsche Trims

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SSXPO129

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Milltek Sports Rear Silencer Bypass, GT-100 Brushed Titanium Trims.
Works With OE Valved Side Silencers.

Fits:
Porsche 991.2 GT3 MKII 2018>>2020
Porsche 991.2 GT3 RS MKII 2018>>2020

Parts Assembly:


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SSXPO197

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Milltek Sports Rear Silencer Bypass, GT-100 Cerakote Black Trims.
Works With OE Valved Side Silencers.

Fits:
Porsche 991.2 GT3 MKII 2018>>2020
Porsche 991.2 GT3 RS MKII 2018>>2020

Parts Assembly:


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SSXPO196

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Milltek Sports Rear Silencer Bypass, GT-100 Polished Trims.
Works With OE Valved Side Silencers.

Fits:
Porsche 991.2 GT3 MKII 2018>>2020
Porsche 991.2 GT3 RS MKII 2018>>2020

Parts Assembly:


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SSXPO195

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Sports exhaust rear silencer titanium straight pipe Porsche 911 GT3 GT3 RS and 911 R 2013-2019
Made from titanium
Straight pipe replaces rear centre silencer



FITS 991.1 and 991.2
Porsche 911 GT3 and GT3 RS 2014-2016
Porsche 911 GT3 and GT3 RS 2017-2019
Porsche 911 R 2016
NOT FOR 997

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

Replaces centre silencer and tailpipe trims

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand
END TIPS DESIGN - ROLLED LIP
Tailpipe with external rolled lip

OUTER PIPE DIMENSION - 65mm
CENTRE TIP DIMENSION 50mm
The value refers to the external dimensions of the exhaust end tip

END TIPS FINISH - SANDBLASTED
Titanium is used sandblasted, completely free from flaws, in its natural colour, for a truly stunning appearance

END TIPS NUMBER AND POSITION - 3 CENTRAL
The end tips emerge from the centre

MATERIAL - TITANIUM
KSTi -1,2 ASN titanium alloy was specifically developed for motorsport exhaust systems. It guarantees excellent resistance to oxidation even at high temperatures, with mechanical characteristics similar to those of grade 2 titanium.

CENTRE SILENCER REMOVAL
Complete removal of the centre silencer minimises exhaust back pressure and delivers optimum results in terms of performance and weight reduction

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TSPO991GT317.001.T

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Sports exhaust rear silencer straight pipe Porsche 997 GT3 and GT3 RS
Replaces rear silencer with straight through pipe



Fits
Porsche 911 GT3 and GT3 RS (997 Gen 1 and Gen 2)
Porsche 911 GT3 and GT3 RS (991.1 and 991.2 upto 2019)

This product can be mounted on every GT3, GTR RS, GT3 RS 4.0 versions, both on 997 Gen 1, Gen 2 and on 991.1 and 991.2 up to 2019

The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

SOUND - STRAIGHT PIPE
The straight pipe version guarantees a direct path from the engine, removing all factors which may affect the acoustic tuning


END TIPS NUMBER AND POSITION - 2 CENTRAL
The end tips emerge from the centre

SYSTEM FINISH - POLISHED
Mirror finishes are highly reflective and created by polishing the stainless steel. The polishing process enhances appearance and consistency, making cleaning easier. A special rolling procedure is used. It is essential to remove deep scratches as any surface defects will be very noticeable on the finished product. it improves corrosion resistance. The polishing eradicates crevices where corrosive particles can lodge themselves

MATERIAL - AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal

MAIN PIPE DIMENSION - 65mm
This is the diameter in mm of the main pipe of the exhaust system

Sports exhaust side silencer straight pipe (non valved) Porsche 991GT3 and GT3 RS
Bypass pipes for side mufflers.



Fits
Porsche 911 GT3 and GT3 RS (991.1 and 991.2 2014-2019)

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

Material: Stainless Steel 304
Replacement for Genuine muffler 991.111.048.81

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3606609140

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Titanium Exhaust final muffler with carbon tailpipes



High quality titanium exhaust rear section compatible with OE rear mufflers. Complimented by carbon fibre tail pipe in ⌀89mm

Designed for maximum flow and no restriction.

Reduced back pressure and better scavenging. More torque and horsepower across the RPM band.

Fits:
Porsche 991 GT3 3.8L 476 Bhp 2013 - 2017 (A175 engine)
Porsche 991 GT3 RS 4.0L 507 Bhp 2013 - 2017 (A175 engine)
Porsche 911 R 4.0L 507Bhp 2014-2017 (A176 engine)

Please note: This will not fit cars:
- with engine codes DNSA / DNSB - 4.0L with 520 Bhp
- released after 06/2017 with engine codes DGG / DGGA / DGGB

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3606609124

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