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How Much Hp Do Headers Add?
So how much hp do long tube headers add? If attached to a stock engine, you can expect about 6-9 hp over a manifold.
Are Headers Worth It?
One of the most common ways to
Why Not to Put Exhaust Headers on Your Car
Exhaust
DO LONG TUBE HEADERS ADD HP? 1 3/4 vs 1 7/8 HEADER TEST. WHAT MAKES MORE POWER ON AN LS? BONUS TEST
HOW MUCH
