Part #: 10168100. The GReddy Revolution RS Cat-Back Exhaust for the GDB Subaru WRX/STI is a high - performance upgrade. It features a 76mm (3") non - tapered diameter piping. With minimal bends in its layout, this exhaust system is cost - effective and lightweight, saving 8 lbs compared to the stock system. The classic GReddy RS styling places a large resonator, muffler, and tip neatly under the vehicle, enhancing the body profile. Dyno tests show an 8hp and 6ft - lbs torque increase on a stock vehicle, and there's potential for more gains with other aftermarket changes. 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") x L 170mm (6.7"). Gasket: 3.0" oval (1 included). Resonator: Yes. Weight: 24.2 lbs (Stock: 32.1 lbs). Sound level: 102 dB(a). HP: +8.33 hp. TRQ: +6.38 ft - lbs. Note: If 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 Revolution RS Cat - Back Exhaust is straightforward. First, make sure you have all the necessary tools and parts, including the included gasket. If you're using a stock j pipe or downpipe, don't forget to get the GrimmSpeed adapter. When installing, carefully align the exhaust system with the existing parts on your 2002 - 2007 Subaru WRX/STI. Tighten all the connections properly to avoid any leaks. As for maintenance, regularly check the exhaust for any signs of damage, like cracks or loose parts. Since it's made of 304 Stainless - Steel, it's fairly durable, but you can clean it with a mild soap and water solution to keep it looking good. Remember, this exhaust is designed to boost your vehicle's performance, so enjoy the extra power and the great sound it produces!
