I run a SC and ESS told me it would not cause any problems and removed mine, and yes it was EXTREMLY loud with test pipes and AA exhaust. Now it just purrs when cranked , rpm does not vary either.
Did sound freaking sweet cranking up at gas stations though, I straight up had people cheer when when I pulled off from getting gas coming back from Flordia.
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4.4L LC stroker/ESS VT2-625/Volk te37 sl's/AA exhaust/DSS Carbon Fiber driveshaft/ARH Headers.. etc
Last edited by squartus; 01-19-2015 at 08:38 PM..
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