Description
Techtonics Tuning presents their Catted Downpipe for the Volkswagen MK4 GTI, Jetta, and GLI as well as the Audi MK1 TT with the 1.8L Turbo Inline 4 Front Wheel Drive engine! T-304 Stainless Steel 1.8t 2.5″ Downpipe with Large Hi Flow Cat Converter For Golf 4, Jetta 4 and Turbo Beetle and also fits two wheel drive Audi TT. adds 8-12 Hp. (46 State Only, Not Legal in California, Colorado, Maine & New York) Hardware and gaskets included. (Fits “T” version of Tectonics exhaust systems (Full 2.5″ exit not reduced to 55mm like part number 251 234R) 251234. Has 2 O2 sensors fittings (Does not work with cars with 3 O2 sensors)
Features:
- T-304 Stainless Steel
- 2.5″ or 3″ size Downpipe
- Large Hi Flow Cat Converter
- Available in Stainless Steel and Aluminized (3″ only) finishes
What’s Included:
- Techtonics Tuning Catted Downpipe





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