How are sw headers vs American racing headers
#1
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I'm wanting to go with long tube headers but want to go with arh or sw what is the difference in the two which ones will give me better performance and Quality should I go with hi flow cats or y pipe will I lose hp if I go with hi flow cats and if I go y pipe will It get really loud and smell gas fumes and should I get 1/34 or 1/78 inch couse I have Slp loud mouth 1 on it and will I feel a pretty big gain btw my camaro ss is a4