Part #: 10168100. The GReddy Revolution RS cat - back exhaust for the GDB Subaru WRX/STI is a top - notch choice. It features a 76mm (3”) full non - tapered diameter piping. With a smart layout using minimal bends, it's a cost - effective and lightweight system that saves 8lbs compared to the stock one. The classic GReddy RS styling places a large resonator, muffler, and tip neatly under the vehicle, perfectly enhancing the body's profile. Dyno tests show an 8hp increase and 6ft - lbs of torque gain on a stock vehicle, and there's potential for more gains with other aftermarket upgrades or tuning. Made from fully hand - welded 304 Stainless - Steel, it comes with a Limited Lifetime Warranty. Piping: 76 mm (3.0 in.). Tip: 115 mm (4.5 in.) x L 170mm (6.7 in.). Gasket(s): 3.0 in. oval (1 included for replacement). Resonator: Yes. Weight: 24.2 lbs (Stock weight 32.1 lbs). Sound level: 102 dB(a). HP: +8.33 hp. TRQ: +6.38 ft - lbs. 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 your GReddy Revolution RS Cat - Back Exhaust is straightforward. First, make sure your vehicle is a 2002 - 2007 Subaru WRX or STI. If you're using a stock j pipe or downpipe, don't forget to install the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046. Once installed, you'll notice an immediate performance boost. For maintenance, regularly check the exhaust for any signs of damage or loose parts. Since it's made of 304 Stainless - Steel, it's quite durable, but a simple cleaning every few months will keep it looking great. Also, keep an ear out for any unusual noises, as this could indicate an issue. With proper use and care, your exhaust will last a long time and continue to enhance your vehicle's performance.
