recommended 993tt upgrades
#31
Addict
Rennlist Member
Rennlist Member
Ambient certainly effects performance, but the biggest heat issue w/a TT is the cats....too bad you're here in SoCal...be great to run the car w/o cats....those cats simply bake the engine....I've got Kevin's 100 cell 130mm cats and no mufflers...sounds good....but maybe not DD material.