long tubes on a four wheel drive 97 f150
you can just replace cats with aftermarket high flows...cheaper than OEM
i would go LT+high flow cats + X pipe+ DI/DO Magnaflow 40 or 50 series..and where ever you want the tips at
well thats my plan anyhow
i would go LT+high flow cats + X pipe+ DI/DO Magnaflow 40 or 50 series..and where ever you want the tips at
well thats my plan anyhow


