1 IN / 1 OUT
Sports Silencers

Revolutionize your stock Porsche 911 flat-six driving experience.

The GTk Active Muffler Line from Achtung Kraft is the only muffler line on the market to deliver up to 6 levels of sound in one muffler. Don't settle for a one-trick muffler - upgrade now to the best for your 1975 to 1989 Porsche 911, 911S, 911SC and Carerra.

Engineered to bring the right sound and tone to any air-cooled Porsche and delivers a drone-free driving experience.

Elevate your driving experience with the GTk Active Muffler Line from Achtung Kraft. Designed to deliver unparalleled performance and customization, our mufflers are engineered to meet the demands of discerning drivers.

All mufflers come with our state-of-the-art Custom Control Module that allows wireless control of the different sound modes of each muffler.

1-IN versions of the GTk Active Muffler Line feature two variants to suit your specific needs:

Side-Out / Stock Exit Location:
This style bolts up to your single out stock exhaust and exits in the same side-out location as a stock muffler. This version provides easy installation without the need for additional modifications with 6 distinct sound levels at the flip of a switch. You can tailor your driving experience to match your mood or the driving conditions.

Center-Out GT3 Style Exit:
For those seeking a more aggressive look and sound, this 1-IN GTk Active Muffler offers a center-out GT3 style exit. This version delivers a bit more aggressive level of sound and performance as the side-out stock location variant, with the added benefit of a sleek and sporty GT3 style exit design and 5 modes of active sounds at the touch of a button.

No matter which variant you choose, you can count on the GTk Active Muffler Line to deliver uncompromising performance, exceptional sound quality, and unmatched versatility. Take your driving experience to the next level with Achtung Kraft.

Please note: This part is on special order terms. Delivery time is normally 8-10 weeks. It is not a subject to cancellation or return if not required.



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Related, superseded, cross reference or alternative numbers for comparison.

AKEXH

The product you are viewing cross references to these numbers

Exhaust Muffler / Silencer Rear box Replacement, Polished, stainless steel. Single Outlet With Ø60mm polished tail pipe. 

With TÜV/EEC approval

   

Fits:
Porsche 911 1974-89 2.7L / 3.0L / 3.2L.

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Related, superseded, cross reference or alternative numbers for comparison.

91122092201S

The product you are viewing cross references to these numbers

Rear sport exhaust, Ø84mm loose outlet pipe (weld on type). Polished stainless steel. With TÜV/EEC Approval.

   

Fits:
Porsche 911SC/911 Carrera 2.7-3.0L 08/1975-07/1983
Porsche 911 Carrera 3.2L 08/1983-07/1989

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

91122092502SL

The product you are viewing cross references to these numbers