ETS Cat Back Exhaust Subaru WRX / STI 2015-2021

This ETS cat back exhaust is designed specifically for 2015 - 2021 Subaru WRX and STI models. It comes with all the necessary hardware, making installation a breeze. The exhaust features a true 3.0 - inch diameter from the mating flange to the muffler tips, ensuring smooth exhaust flow. V - band connections are used for a leak - proof seal, eliminating the need for gaskets that can blow out or need replacement. The quad 3.5 - inch double - wall stainless steel tips not only look great but also enhance the overall performance. Weighing 41 lbs (10 lbs for the mid - pipe, 7 lbs for the y - pipe, and 24 lbs for the axle back), it's a well - balanced and high - quality product made in the USA. 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. Note that the blue tips will fade over time, which is normal for all blue - tipped exhaust systems.

Using this ETS cat back exhaust is straightforward. First, make sure you have all the necessary tools and the adapter if you're using a stock j pipe or downpipe. Then, carefully install the exhaust following the included hardware and instructions. During installation, pay attention to the V - band connections to ensure a proper seal. As for maintenance, it's a good idea to regularly check the V - band connections for tightness. You can also clean the stainless - steel tips with a mild cleaner to keep them looking shiny. Remember, the blue tips will fade over time, so don't be alarmed if you notice a change in color. Just enjoy the enhanced performance and look of your Subaru WRX or STI with this great exhaust system.