Quote:
Originally Posted by kdoske
Same thing happened with my last car. I purchased some headers and had them installed and the low end torque went bye bye. It really did suck there was only a small power increase and that was above 5000rpm. I took them out within a month and my cars reponse was much better.
Not to say that headers can't make a car better but I think what has been said above is pretty much dead on for most vehicles these days.
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on my sentra ser spec v, after i installed my header it made quite a bit of differance. install was pretty easy too, which is to be expected on a 4 cylinder. didnt notice any torque loss and noticed a gain in hp. maybe because the stock exhaust manifold on my sentra is so much shitter than the exhaust manifold on the 370z?