Techtonics 2.25" Cat Back Exhaust 8V GTI 1985-1989 (50mm Cat)2. 25" Mandrel bent Aluminized tubing. Magnaflow muffler and 12" tt Resonator. 7 8 HP. Will fit Golf II with 50mm catalytic converters. Clamps and rubber hangers included. Two year warranty on tubing and resonator and lifetime warranty on muffler. Everything Techtonics builds has been tried and tested or it wouldn't be sold! Techtonics is a different sort of company from most of the other guys. We don't sell dual windshield wipers, or $50 shift knobs,

MFR Part #   WB61024K

Genuine Bosch throttle body

02 kg/mm 39 N/mmBlock Height: 4

Click here for a PDF breakdown of the bumper parts needed to fit our Dual and Quad exhaust variations to your A5

6061-T6 aluminum rear ride height adjuster with performance springs

intake a larger volume of air and minimize turbulence to increase both power and torque

Actual shape will conform to the features of your vehicle

bind on the trailing arm mount brackets

The Dinan Monoball Kit provides responsiveness you can feel by replacing the rubber bushings in the thrust arms with precision ball joints and machined aluminum housings

GTI and Golf R

This cold formed steel sway bar is powder coated for durability and come complete with polyurethane bushings and all hardware needed for installation

and 1x "E" decal