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