VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
Ok guys, i need facts. If you want To give your opinion then that's fine but please state facts. I am ready to get a chip/tune for my 04 jetta gls 1.8t. Which company should I go with? (apr, unitronics, giac, etc.) also, I am boosting 11.6psi right now stock. Any idea how much more psi I can get...