Techtonics Tuning Now Available | VW 337/20th/GLI
Improve the performance of your Volkswagen MK4 GLI and 337/20th with exhaust systems from Techtonics Tuning.
To really free up some extra power throughout the entire RPM range, bolt on their 3" downpipe. Featuring a 400 cell high flow catalytic converter made from stainless steel, this downpipe unclocks your engine full potential.
For performance and sound that can not be beat, bolt on Techtonics Tuning.
Improve performance and sound
Fits:
VW 337/20th (2002 - 2003)
VW MK4 Jetta GLI 1.8T (2004 - 2005)