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It's a replica ... can anyone tell if this header can give me benefit in terms of HP with a stock ECU and a T1R 60mm..?!?!
at least I don't want it to be worse than the OEM.. if it provides same air flow that's fine.. at least it's much lighter than OEM.. but I heard some headers need tune otherwise they will make you lose power..
I don't know what that would be a replica of, but the "steps" from the primaries to secondaries and secondaries to collector look pretty rough.
Unless you plan to add a tuning solution, I would leave the stock header on. There are far better and cheaper ways to reduce weight. There is also a tradeoff with light weight headers that makes them sound "bad". The stock header shields a LOT of engine and exhaust noise (the noises that you do NOT want to hear).
which header is this ?
