Greddy Supreme SP Catback Exhaust Honda Civic SI Sedan 2017+
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
- Piping: 76mm (3″)
- Tips: 2 x 115mm (4.5″)
- Fully hand-welded 304 stainless steel materials
- Resonators installed in the design
- Dual mufflers
- New gaskets included
- Reduces turbo lag
- Improves throttle response
- Improves horsepower
- Improves torque
- Aggressive sound
- Fits sedan model





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