Skunk2 MegaPower RR 12 Honda Civic Si (Coupe) 76mm Exhaust System Shifter The S-Type sound level provides

The S-Type sound level provides a more aggressive sound over stock and accentuates the Subaru Boxer engine rumble

wide open throttle switch

Nitrous Express 1/4 NPT x 6AN w/1/8 NPT Gauge Hole (Fuel Bypass Fitting)

Skunk2 Titanium Retainers feature radius-cut edges for additional rocker arm clearance and reduced weight

Skunk2 MegaPower RR 12 Honda Civic Si (Coupe) 76mm Exhaust System Shifter The S-Type sound level providesA properly designed exhaust system is critical to engine performance. Skunk2's 76mm MegaPower RR Exhaust system for the 2012 Civic Si coupe was developed with this in mind and is based off of more than 15 years' worth of racing experience. Dyno proven for maximum horsepower, MegaPower RR systems are constructed of T 304 stainless steel, are robotically TIG welded, and feature CNC mandrel bends for a precise fit. The MegaPower RR for the 2012 Civic Si