what should i buy first throttle body spacer or exhaust headers? what will add more horsepower? also what is a better design in exhaust headers jva or headman street headers
what is better to go with if I want more horsepower exhaust headers or throttle body spacer? also if I go with exhaust headers what is a good pair?
The headers but without a high flow cat and cat back exhaust system I doubt they will help all that much. I am skeptical of the throttle body spacers, without a proven dyno chart I would say they are a waste of money.
An air intake system coupled with a performance exhaust system could give you a noticeable HP increase.
I contacted Airaid and they cannot back up their throttle body spacer performace claims so these are just hype.
I have seen where they tested the throttle body spacers, and there is no more performance produced from them. They look nice tho...
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