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Well, I have read several posted strings the last year and still find myself confused. What is the best exhaust option for a big bore B20 with an isky torque cam? I currently have the IPD header and a 2 1/2 inch exhaust. The car is very peppy compared to the stock b18 in the other cars, and the sound at wide open throttle always brings a smile to my face, however after a 3-4 hour highway trip the smile is lost and a headache is gained.
I am still trying to find the perfect mix of max power and max silence.
Any suggestions?
-Erik
65 544, 66 1800, 66 122, 68 122...never enough time.
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