Single 2.5" mandrel bent will be the best system for that. Just make sure its mandrel bent, not pressed.
But if you really wanna spend the money, go a twin 2 1/4" system. That will allow for any future mods you may do. I made 300+rwhp through my twin 2 1/4" system and made it very torquey.
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STREETBUILT RACING
'99 XHII XR8, 363w, GT4508R on 16psi, E85, C4, 910rwhp - ET coming soon!
'78 XC Falcon 500, Desert Gold, 351w, V2 on 16psi, E85, C4, 9" - 10.15@132mph!
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