Techtonics TRI-Y Header Mk1 16v (cat version)Our Tri Y equal length is back in production. Uses the 253 155E (all Mk1 chassis) or 253 155 (16V Scirocco) Catalyic Converter. Comes with gaskets

and stays strong through the entire powerband

Easily mount Thru-axle bikes (9-15mm) and standard Quick-release bikes (9 mm)

this cam can be used with either our street/race or race intake camshafts

universal tip designed to fit most 2 1/2" exhaust systems

Software is flashed directly through the (OBDII) Diagnostic port of your vehicle (10-15 minutes)

Flash credits for flashing additional vehicles or controllers such as DSG

This carefully engineered BMW M3 Supercharger kit matches the Rotrex C38 supercharger with the perfect hardware

FITS: 1997-2001 Audi A4 1

Upgrade wastegate arm & flapper (optional) temporary unavailable

Commonly used in roll racing

Hassle-Free Installation: Make it easy

MFR Part # URO-010031