GTk Active Muffler for Air-Cooled Porsches

Ächtung Kraft


From Grand Touring to rowdy race sounds with the press of a button

THIS IS A PRE-ORDER// Expected Delivery for first orders is beginning of May 2023


Introducing the GT/k Active Muffler from Achtung Kraft – the perfect addition to your classic Porsche. This high-performance muffler is designed to optimize your Porsche's performance using the latest active muffler technology, while retaining the classic air-cooled Porsche sound that you know and love. Its active valve system allows you to adjust the exhaust note, giving you a deep, rich tone when closed, and an aggressive race car-inspired sound when opened. It's the ultimate way to enhance your Porsche's performance without sacrificing its iconic sound

NOTE // DIRECT BOLT-ON for STOCK Exhaust Manifolds and SSIs, and any similar width header systems. 

Disclaimer: Please note that our products are designed and intended for off-road use only. The use of our products on public roads and highways is prohibited by law in many areas. It is your responsibility to ensure that the use of our products complies with all applicable laws and regulations in your area. Any use of our products on public roads and highways is at your own risk and could result in damage to your vehicle, injury or even death. By purchasing and using our products, you acknowledge that you have read and understood this disclaimer, and you accept all responsibility and liability for any consequences that may arise from the use of our products.


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Stay informed as we launch new products & plan events

The Ächtung Kraft is always designing new parts for our Porsches and planning amazing driving events.