Borla 04-07 STi XR-1 Cat-Back Exhaust

Part# 140075 is the more Aggressive "S-Type" Cat-Back(tm). The mellow "Touring" Cat-Back(tm) exhaust is part# 140053 Borla(r) Performance once again leads the industry with a high flow performance exhaust for the hot Subaru WRX and WRX STI. This Cat-Back(tm) system, Borla(r) #140075, is custom designed by Borla(r) engineers for the 2.5L turbocharged 4-cylinder engine with automatic and manual transmissions. Winning on racetracks around the world has given Borla(r) a leg up on the competition with trickle down technology from the world's fastest cars. The unique design is a direct bolt-on fit that meets all emission requirements. The system has shown significant flow and performance improvements by virtue of Borla(r) XR-1 patented technology utilizing 3" tubing that exits with a super looking Borla(r) logo embossed 4"angle cut, rolled edge, single round polished T-304 stainless steel tip. More flow means more power, and if you tune this turbocharged super import, that flow will simply a