MagnaFlow Competition Series Cat Back Exhaust Subaru WRX / STI 2015-2021

Part #: 19361. The MagnaFlow Cat - Back Exhaust System is expertly crafted to supercharge your Subaru WRX or STI (2015 - 2021). It boosts performance by adding more horsepower and torque, slashing turbo lag, and sharpening throttle response. MagnaFlow achieves this magic through smooth mandrel bends and larger piping diameters. You'll also enjoy better gas mileage and an amazing sound across the whole RPM range. Its straight - through flow design provides enough power for future mods that need a free - flowing exhaust system. The exhaust comes ready for easy installation, with exhaust hangers welded to OEM locations, so no extra body or chassis alterations are needed. It also includes clamps and a pair of o - rings to finish the setup. Note: If you're using a stock j pipe or downpipe, you'll need the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046.

Using the MagnaFlow Cat - Back Exhaust System on your Subaru WRX or STI (2015 - 2021) is a breeze. First, make sure you have all the parts, including the clamps and o - rings. Since the exhaust hangers are already welded to the OEM locations, you can just attach the system without making any changes to the body or chassis. If you're using a stock j pipe or downpipe, don't forget to get the GrimmSpeed adapter. When it comes to maintenance, check the clamps regularly to make sure they're tight. Also, keep an eye on the exhaust pipes for any signs of damage or rust. If you notice any issues, it's best to have a professional take a look. And remember, this exhaust system is designed to work well with future modifications, so you can upgrade your car's performance even more down the road.