Part #: 10168408. The GPP RS - Race exhaust system is designed for 2015 - onwards Subaru WRX/STI VA sedan chassis. It's our most aggressively - styled system. Ideal for applications that need less sound suppression and maximum flow. With the factory catalytic converter, it has a mild sound for cruising and a great rumble at full throttle. This lightweight, full stainless - steel cat - back exhaust has an 80mm (3.14”) non - tapered pipe that exits on the right passenger side and no pre - resonator. Despite its cost - effective price, it doesn't compromise on quality materials, construction, and craftsmanship. The RS - Race Tri - bolt tip allows for extra customization. You can install optional RS Tip Silencers, and various tip lengths and styles in stainless steel or genuine Titanium. Make: Subaru. Model: (VA) WRX STI sedan. Years: 2015 - onwards. Chassis: VA. Engine: EJ25 / FA20T. Type: Single sided, 80mm cat - back exhaust system. Number of pieces: 2 pcs. Piping: 80 mm (3.14 in.). Muffler Canister: GPP RS 160mm (6.3') dia. Tip: RS - RACE 115 mm (4.5 ') x L 150mm (5.9'). Gasket(s): 3.0' oval (qty: 1 included) replacement. Resonator: No. Weight: 25.7 lbs. Sound level: 98 dB(a). HP: 13 hp. TRQ: 11 ft - lbs. GPP engineers use a proven, compact, high - flow straight - through Racing Sport muffler canister and extra large 304 stainless - steel mandrel - bent tubing. 80mm (3.14”) diameters are for turbocharged vehicles and 76mm (3.0”) for normally - aspirated race applications. The RS - RACE offers an aggressive sound quality and features a removable Tri - bolt tip mounting system for customizing with optional Titanium or Stainless - steel tips and large diameter RS silencers to control sound. 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 GPP RS - Race Cat Back Exhaust is simple. First, make sure you have all the necessary tools and parts, including the adapter if you're using a stock j pipe or downpipe. Carefully install the exhaust system following the included instructions. When cruising, enjoy the mild sound, and when you open the throttle, you'll hear a great rumble. For maintenance, regularly check the connections to make sure they're tight. Keep the exhaust clean by washing it with mild soap and water. If you notice any signs of damage, such as dents or leaks, get it checked by a professional. Also, if you want to change the tip or add a silencer, use the removable Tri - bolt tip mounting system and follow the installation guide for the specific part.