As for that downpipe, I don’t think your G35 came using a turbocharger. So, adding a downpipe received’t does one any excellent. Daniel – A tuner is a very good idea. Even though a downpipe will add energy with no tuning, you’ll get a lot more from it if you may get a customized tune that accounts for the downpipe. Alex – That seems

I have a jdm 1997 subaru forester. What kind of gains am i able to anticipate if I put an aftermarket downpipe? Without going into an excessive amount of in the science included, the catalytic converter is intended to lower air pollution by changing unsafe emissions like carbon dioxide and nitrogen oxide. The honeycomb filter style and design In