Stock Vtec Exhaust Manifold or Headers
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Stock Vtec Exhaust Manifold or Headers I have a stock 03 EM2 Civic EX with 1.7L Vtec(D17a2 MT) and was debating if i should replace the stock exhaust manifold i have on now with headers? the stock Vtec EM look like headers already, and I was just wondering if it would make a increased horsepower difference (how much of a difference?) if i change over to headers, or should I just stick with the setup i have now?
running an apexi n1 catback,and AEM CAI
running an apexi n1 catback,and AEM CAI
Re: Stock Vtec Exhaust Manifold or Headers
No problem 
I would stick with OEM unless you just want to make the engine bay look better. Depends on how much money you have to throw around.
I would stick with OEM unless you just want to make the engine bay look better. Depends on how much money you have to throw around. 
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