Spec-D Single Exit Style Cat Back Exhaust w/ Polished Tip 2002-2007 WRX / 2004-2007 STI

For a good balance of price and performance, Spec-D offers the motorsports enthusiasts a strong line-up of performance exhausts that are constructed with high-quality SUS304 stainless steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-bent stainless steel piping for maximum exhaust flow and reduced back pressure. These exhausts are engineered to produce strong mid to top-end power gains, as well as an increase in horsepower and torque. Features:  Made of high quality T-304 stainless steel ( light weight design ) with polished tip & mandrel bend 4.5" tip with removable silencer with polished finish 3" light-weight piping C.N.C. machined flanges Direct bolt on design (gaskets and bolts included) Maximum performance which increases up to 15 horsepower Professional installation is highly recommended