GReddy Supreme SP Cat-Back Exhaust System Subaru WRXSTI 2015+
RallySport Direct carries a great selection of quality performance upgrades by the grandfathers of the sport compact industry, Greddy.
On this page, you are looking at the Greddy Supreme SP Cat-Back Exhaust System. This is a performance-oriented exhaust system designed to free the restriction from the OEM cat-back exhaust to improve the performance and the sound.
Here are the details:
- Combines larger piping diameter and smooth bends to limit turbulence under acceleration
- 3″ piping diameter that routes to a ‘Y’ section for improved exhaust flow
- 3.5″ oval tips
- Fully hand-welded 304 stainless steel materials
- Resonators installed in the center pipe and rear side pipes
- New gaskets included
- Reduces turbo lag
- Improves throttle response
- Improves horsepower
- Improves torque
- Aggressive sound
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