JollyWrench
Well-Known Member
You can gain from Cat Backs, scavenging from X Pipes win at top end, H pipes for torque low end, less weight and less restriction on the exhaust, better breath ability, and less restrictive the whole way down and the mufflers are straight through including mandrel bent tubing...you can't tell me there's no gains to be had, if you don't agree I will have to break out some physics and equations to show you, depends how stupid you are I guess
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