Asphalt Killerz Stainless 2.5″ Exhaust with 3″ Single Tip for Porsche Carrera SC 1976-1989


In stock (can be backordered)


In stock (can be backordered)

This racing-inspired exhaust system is designed to enhance the performance and sound of Porsche 911 Carrera SC vehicles from 1976 to 1989.  Unlike other companies that reduce to 2.25″ inch we use 2.5″ OD as your Catalytic Converter. Here are some key features:


  • Offers a roaring sound characteristic of the 3.0L / 3.2L engine.
  • Suitable for both street driving and track use.


  • Fits all Porsche 911 Carrera SC vehicles manufactured between 1976 and 1989.
  • Features a very aggressive muffler bypass design with two resonators to slightly moderate the sound compared to a straight muffler bypass.
  • Professional TIG welded and braced to help with vibration.
  • Weighs only 13.4 pounds, significantly lighter than the stock muffler which weighs 25 pounds.
  • Equipped with a single outlet design featuring a 3″ tip for efficient exhaust flow.
  • Direct replacement for the OEM muffler, allowing easy bolt-on installation without the need for cutting or welding. Bolt to exsisting location.
  • Compatible with the factory catalytic converter or  similar products.
  • Can be used with Catalytic By pass test pipe as well for more agreessive sound.
  • Constructed from high-quality T304L stainless steel, with 14-16ga CNC mandrel-bent 2.5” tubing, ensuring durability and optimal performance.
  • Can be used with or without factory AC bracket.

Overall, this exhaust system offers improved performance, a distinctive exhaust note, and easy installation, making it an ideal choice for Porsche 911 G-Body / Carrera enthusiasts looking to enhance their driving experience.

Made in USA

*Mounts to exsiting hole in OEM Motor Console works with or without AC. If you do not have AC, use supplied stainless washers, (Normally 3 washers) between exhaust bracket and Motor mount where normally AC bracket would bolt to.  Comes with all Hardware. 


Sound Clip below. Exhaust is deep and alot louder then video. We had to turn down microphones due to dB levels cracking audio on camera. This car has stock 3.0 and stock Cat installed.

SKU: SC_exhaust Category:
Weight 16 lbs
Dimensions 36 × 12 × 12 in