Re: hiak hiak
what air filter have u upgraded to? more often than not, K20As suffer if you simply put in an open pod system. removing the cat will make your low end worse. the reduction in backpressure will cause mayhem for your low end.
wow, those are some expensive rims!!!! :twisted:prodrive said:
what air filter have u upgraded to? more often than not, K20As suffer if you simply put in an open pod system. removing the cat will make your low end worse. the reduction in backpressure will cause mayhem for your low end.