Quote:
Originally Posted by m4a1mustang
A local guy here had the 302 IM on his car. There is a slight hit to low end power but the gains at the top end are substantial.
With a tune, you have silly gains of like +45 whp at 7k where the stock manifold has dropped off and the Boss IM just keeps pulling.
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dunno if i'd wanna stay that high with the stock cast rods 
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2011 Mustang 5.0 | 3.55's | Lethal Performance off road H-Pipe | Magnaflow Muffler Delete | JLT CAI/Bama tuned 417whp/ 404 ft/lbs
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