Two follow up questions...
To the MAC users - how many miles was their break-in period (if you managed to keep them installed long enough) ?
To the SLP users - most mention Loudmouths; any SLP Power-Flo(s) out there ? Any thoughts/opinions on the Power-Flo(s) ?
2008 GT ~ candyass red ~ JLT intake ~ SuttonHP tune ~ SLP PwrFlws ~ FRPP 3.73s...more to come / stay tuned.