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It's time to drop some weight
aFe power introduces an all new Twisted Steel "Race" down-pipe for the 2012-2015 Honda Civic Si (Coupe/Sedan) with I4-2
you get the thrusting horsepower and torque to match
We've developed two techniques to help you determine exact pushrod length so that the perfect valve train geometry is achieved in your engine
Revised Damping Curve:
AFE: MACH Force-Xp 2-1/2" 304 Stainless Steel Axle-Back Exhaust System FIAT 124 Spider 17-19 I4-1.4L (t) regulator It's time to drop someUltimate performance upgrade single exhaust exit eliminates unnecessary second exit, reducing weight and flow restriction. No other FIAT 124 Spider axle back on the market outflows this system. Muffler Delete System: Eliminates the heavy factory muffler to improve exhaust flow, horsepower and torque, resulting in a classic sportscar inspired exhaust tone without the drone. Weight Savings: Removes heavy stock muffler (26 pounds vs. 12 pounds).
