Cat Backs

The COBB Tuning cat back exhaust is heralded often for its quality, performance, and subtlety. Engineered to be a vehicle specific unit, the cat back exhaust uses the highest quality stainless piping and a muffler designed for direct and efficient flow...

The Borla "Hush" Twin-Tip Catback Exhaust: Designed for the WRX & STI. The exhaust features 3" piping with a resonator and quiet twin-tip muffler. This WRX & STI exhaust is known for its quiet exhaust note. The section of the catback that bolts to the...

This downpipe adapter is the perfect solution to the problem of matching a 3" aftermarket downpipe to a cat back system that uses the stock 2.5" taper. The 3" downpipe adapter plate allows you to install the factory donut gasket on the end of any 3" flat...

Exhaust leaks seem to be an all-too-common issue with most modded Subaru's. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. One of the most common leaks is from running an OEM downpipe with an aftermarket 3" cat back...

Special Edition HKS Carbon / Titanium Hi-Power Exhaust systems are available for certain popular applications. These exclusive versions of the Hi-Power Exhaust consist of a carbon fiber wrapped stainless muffler shell, a 120mm titanium tip, and polished...

Inspired and designed from endurance and GT racing in Japan, HKS developed its Hi-Power Exhaust system for both turbocharged and naturally aspirated applications. HKS has incorporated this new race inspired offset muffler and piping design into many...

Invidia G200 Cat Back Exhaust with Titanium Tip For 2002-07 Subaru WRX & STI

This is Invidia's regular N1 cat back exhaust for the Subaru WRX & STi. Featuring 3" stainless steel piping, resonated midpipe for improved noise reduction and a flex section for optimal fitment. The N1 muffler has a JDM look, with a large 4" titanium...

Invidia N1 Racing Cat Back Exhaust with Polished Tip features 3" stainless steel piping without a resonator for optimal flow. The N1 muffler has a JDM look and 4" polished tip. This system is louder than the G200 and Regular N1 cat backs - it is...

The Invidia Racing N1 cat back exhaust for the WRX & STI features 3" stainless steel piping and no resonator for optimal flow. The the N1 muffler has a JDM look, and a burnt 4" titanium tip. This system is louder than the G200 and Regular N1 cat backs -...

The Invidia Q300 cat back exhaust system features 76mm mandrel bent stainless steel piping, free flowing oval style sport muffler and a polished rolled 101mm tip. This performance exhaust offers improved flow and allows your Subie's exhaust note to come...