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Porsche > 997 (911) MK1 2005-2008 > 997 MK1 Carrera 2S 3.8L 2005-08 > Special Offer Parts >

Exhaust

Exhaust

DISPLAYING 1 to 1 (of 1 products)
Exhaust Muffler / Silencer Sports System DesignTek for Porsche 997.1 - 3606009702, 99711197901S, 99711121102, 99711121103, 99711123102, 99711123103, 99711121202, 99711121203, 99711123202, 99711123203, 99711141103, 99711141104, 99711143103, 99711143104, 99711141203, 99711141204, 99711143203, 99711143204
10
Exhaust Muffler / Silencer Sports System DesignTek for Porsche 997.1
3606009702
Product Information
Product Information
DesignTek Sports Exhaust made from High Grade stainless steel.

Fits:
Porsche 997.1 C2 / C2S / C4 / C4S 2005-08

PLEASE NOTE
This exhaust system will accept 3.8L tail pipe straight on
•  If your car is 3.6L you will need DesignTek 3606409703 tail pipes
Output flange 2.25" / 58mm
•   If you are fitting this exhaust system to a vehicle originally fitted with Porsche PSE, you will also need our 3606409703 tailpipes as the PSE silencers exit offset into the tailpipes.

Made from 14 - 16 gauge T304S with a mirrored polished finish, Giving a 8-10 bhp that you can really feel, Superb sports car sound, throaty at idle and medium speeds.

DECIBEL READINGS
IDLE : 76DBS
MAXIMUM: 102DBS

To view the BHP and torque gains on dyno results CLICK HERE

For Fitting Instructions CLICK HERE







Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606009702
3606009702
99711197901S
99711121102
99711121103
99711123102
99711123103
99711121202
99711121203
99711123202
99711123203
99711141103
99711141104
99711143103
99711143104
99711141203
99711141204
99711143203
99711143204

The product you are viewing cross references to these numbers
DISPLAYING 1 to 1 (of 1 products)
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About Exhaust

Special Offer Exhaust Parts – Discounted Genuine and Performance Exhaust Systems

Special Offer Exhaust Parts bring together discounted genuine, OEM-quality and performance exhaust components designed to optimise engine efficiency, sound characteristics and emissions control. This category features limited-time promotions and clearance pricing on carefully selected exhaust system parts from trusted automotive brands.

At Design911, our Special Offer Exhaust range includes exhaust manifolds, catalytic converters, silencers, rear mufflers, sports exhaust systems, gaskets and mounting hardware — all chosen for precise fitment, durability and performance integrity.

What Do Exhaust Parts Do?

Exhaust components manage the safe removal of combustion gases while influencing engine performance and sound. Their key functions include:

• Directing exhaust gases away from the engine safely
• Supporting efficient airflow for improved engine performance
• Reducing emissions through catalytic converters
• Controlling sound levels via silencers and mufflers
• Enhancing performance and tone with sports exhaust systems

A well-maintained exhaust system improves throttle response, optimises fuel efficiency and ensures compliance with emissions standards.

Why Choose Special Offer Exhaust Parts?

Special Offer Exhaust Parts are ideal for customers seeking quality exhaust solutions at reduced pricing. Benefits include:

• Discounted genuine and performance exhaust components
• Access to premium brands at promotional prices
• Cost-effective repair of damaged or corroded exhaust parts
• Limited-time savings on performance sports exhaust systems
• Trusted compatibility with Porsche and performance vehicles

At Design911, all discounted exhaust components meet strict fitment and material standards to ensure reliability, durability and correct acoustic performance.

When Should You Replace or Upgrade Exhaust Components?

Special Offer Exhaust Parts are ideal when:

• Addressing corrosion or exhaust leaks
• Replacing worn catalytic converters or silencers
• Upgrading to a performance sports exhaust system
• Improving engine response and exhaust tone
• Taking advantage of limited-time promotional pricing

Replacing faulty exhaust components promptly helps maintain engine efficiency, reduce unwanted noise and prevent emissions-related issues.

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