Whipple, Maggie, E-Force, all produce roughly the same results. I went the E-Force route and could not be happier with my choice. Personally I prefer the clean lines and factory look of the E-Force which was one of the deciding factors in my decision.
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666 EVIL RWHP BUILT AND TUNED BY SHIFTED PERCEPTIONS INC.(SPi)
416 Forged Stroker, E-Force Supercharger, Blower Cam, Rotofab CAI, Stainless Works 2" LT Headers and 3" Exhaust, LPE ZR1 Twin Disc Clutch, DSS 1400 HP Axles, Pfadt Performance Kit Stage 3.