Join Date: May 2009
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What motor do you have? Catbacks are only worth it if you're upgrading the midpipes etc to 3 inches. The stock catback is VERY efficient so changing it is only for sound. You will only really see any gain in these cars if you upgrade the headers.
Headers are worth it on the 5.7 as the stock manifolds are crap. The 6.1s benefit from them too but the 6.4 comes with shorties from the factory
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I love American muscle cars like a thrice-divorced 45-year old tax attorney loves barely legal coeds. That is to say; passionately, inappropriately and almost certainly inadequately while muttering whispered apologies to the beautiful thing I am probably ruining forever.
To those who call me crazy: the difference between genius and insanity is measured only by success.
Nobody messes with the GoMachine!