Techtonic's time proven 2.25" exhaust made with mandrel bent aluminized steel tubing and using a stainless Borla muffler and 12" tt resonator. 7-8 HP. For '85-'92 Mk2 Golf with 50mm catalytic converter. Clamps and rubber hangers included. Two year warranty on tubing and resonator and lifetime warranty on muffler.
For those that require the exhaust a bit quieter consider adding the optional second resonator
and/or a venturi