Cat Back Systems

This is adapter allows the Mugen Cat Back Stainless Steel Exhaust for 8th Gen Civic Si Coupe 18000-XKPH-K0S0 exhaust to mount on to the Civic 4 door.

Skunk2’s 76mm (3-inch) MegaPower RR Exhaust systems were developed for heavily modified, naturally aspirated engines as well as for turbocharged applications that require as much exhaust flow as possible.

Skunk2’s 70mm (2.75-inch) MegaPower R Exhaust systems were developed for heavily modified, naturally aspirated engines as well as for turbocharged applications. Dyno-proven for maximum horsepower, MegaPower R systems are constructed of T-304 and T-403 stainless steel, are robotically TIG welded, and feature CNC mandrel bends for a precise fit. Skunk2’s MegaPower Exhaust lineup is based off of the same systems we custom build for our road racing and time attack vehicles.

Improve performance and get that great Mugen sound. 20lbs. lighter than the stock exhaust, this Titanium Exhaust features 60.5mm piping and beveled matte finish tip finishers that fit perfectly with the AP1 rear exhaust cutouts. Comes with all hardware for installation.

Designed specifically for the larger exhaust cutouts on the AP2, this system features polished tips that are finished with a bevel cut. This Titanium system features 60.5mm piping and saves 20lbs over the OEM exhaust. Give your AP2 a deep throaty sound that is distinctly Mugen. Comes with all hardware for installation.