Greddy Evolution GT Cat Back Exhaust Subaru WRX / STI 2011-2014 Sedan

The GReddy Evolution GT 304 SS Cat - Back Exhaust System (10168300) is a top - notch choice for your 2011 - 2014 Subaru WRX or STI Sedan. Made of 304 stainless steel, it features a cat - back design. With 3 pieces, 76 mm (3') piping, 89 mm (3.5') tips, and 3' oval gaskets (2 included), it also has a resonator. It retains the unique off - set tip styling of the Evolution series while having an improved internal construction. The hand TIG - welded 304 stainless steel and an effective straight - through muffler design make it high - quality. Note: If you're using a stock j pipe or downpipe, the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046 is required.

Using this GReddy exhaust is straightforward. First, make sure to check if you need the GrimmSpeed adapter if you're using a stock j pipe or downpipe. Install the 3 pieces of the exhaust system following the included instructions. When it comes to maintenance, regularly inspect the gaskets. If they show signs of wear, replace them with the included ones. Keep the exhaust clean by washing it with mild soap and water. Avoid using harsh chemicals as they can damage the 304 stainless steel. In case you notice any unusual noises or performance issues, check the connections and consult a professional if needed.