ok, im gonna put this to bed right now. Best bang for the buck goes to test pipes, for less than $300, you can gain 15-20whp, plenty dyno proven results on the site, same with HFC's but they cost $100-$200 more, so get them or HFC's and good luck with the demon bolt as myself and mr. Zsteve can attest, its a doosie.
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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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