A tuning staple, this 2.25" exhaust is made with mandrel bent T-304 stainless steel tubing. This section is paired with a stainless steel Magnaflow muffler and 12" Tecthonics resonator. Typical gains are 7-8hp. Fits '85-'92 Mk2 Golf with 45mm catalytic converter. Builders of '90-'92 vehicles should verify cat outlet diameter. Clamps and rubber hangers are included.