I have a 98 legacy thinking about gutting converters do they need back pressure

I have a 98 legacy thinking about gutting converters do they need back pressure 1 Answer

I just bought a 2007 Subaru Legacy 2.5i, cobalt blue, automatic, what do I need to slam it? 2 Answers

I'm not aiming for speed just looks. Its an automatic so I don't see the point in making it fast, I still want it to turn heads though. I'm a subie noob, so help me out. any suggestions? I'd real...

I have a 2006 Legacy GT Turbo, I want to get a blow off valve 2 Answers

I have a 2006 Legacy GT Turbo, I want to get a blow off valve to relieve the blowback pressure on my turbocharger to reduce lag. Does this particular car require a bypass because of the MAF sensor o...

i have a 2003 legacy with a 2.5 i recently puchased a weapon r intake my only problem the intake has 3 air ports but my stock intake only has 2 that run from valve covers? 1 Answer

i have a 2003 legacy with a 2.5 i recently puchased a weapon r intake my only problem the intake has 3 air ports but my stock system only has 2 that run from valve covers do i just plug one or am i m...

Would you need to do a tune after putting an after market exhaust or doing a muffler delete on a 2011 Subaru Legacy 1 Answer

Would the change in air flow mess with the computer to the point where you would have to do a tune or mess with the computer?