Skunk2 MegaPower RR 06-10 Honda Civic Si (Sedan) 76mm Exhaust System (Factory Bolt On)

When you're looking to get the most out of your 2007-2011 Honda Civic Si sedan, especially with a modified or turbocharged engine, the Skunk2 Racing MegaPower RR exhaust system is what you'll want. This system is designed to let your engine breathe much more freely than the stock setup, which is critical for making more power. It's built with over 15 years of racing experience behind it, so you know it's made for performance.

What you get in this kit is a full cat-back system, meaning it replaces everything from the catalytic converter back. It includes the main exhaust tubing, a resonator to help manage tone, a straight-through racing muffler for minimal restriction, and a polished 4-inch tip with a MegaPower badge. Everything is made from T-304 stainless steel, which is a strong material that holds up well over time. The pipes are robotically TIG welded and use CNC mandrel bends. This means the pipe diameter stays consistent even through the bends, which helps exhaust gases flow smoothly and ensures a precise fit on your car without needing any welding or fabrication on your end. It also comes with a removable silencer if you need to quiet things down a bit, and all the necessary hardware to get it installed.

This MegaPower RR system uses larger 76mm (3-inch) diameter piping compared to Skunk2's other systems, making it ideal for engines that need even more exhaust flow, like heavily modified naturally aspirated setups or turbocharged applications. You can expect a significantly louder and more aggressive tone with this system, along with improved horsepower thanks to optimized airflow and wave scavenging effects. It's the same kind of system Skunk2 builds for their own road racing and time attack vehicles, offering a solid option for performance and sound.