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Hi I have searched everywhere here and google and cant find an answer.

My question is if I got a CAI do i have to get a catback exhaust to unlock its full potential? Atm I have a a welded 18" magnaflow and curious if that would be fine or would I have to go catback?

Heres my reasoning for being confused...

From the header to the cat is stock, which limits the exhaust leaving the engine, so widening from the cat back is still limited due to the stock pipe from the header am I not right? For true power, you would have to increase the diameter right at the header all the way back. Therefore, a catback should be the same as a muffler?

Would it be pointless for me to get a CAI?
 

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Definetly not pointless to get a CAI, it will improve sound power and fuel mileage a little, not lots a little. Yes to get Full potential out of your truck A full headers to back system would be best. But a catback helps a little too...
 
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