You're saying running without tips or turndowns is making me lose power? Another one of those funny backpressure issues?? All I notice power-wise is it's a tad low-end deficient...it enjoys rpms....I just attributed that to the free-flowing exhaust and possibly a cam made for higher rev power rather than low end, but I don't know..
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'91 Mustang GT 5.0 AOD Daily Driver
Current stats: NEW 302 short block, E-303 cam (@.050, 220/220, .498/.498, 110 degrees), 1.6 roller rockers, Performer RPM heads (aluminum, 1.9/1.6, 60cc chambers), Cobra intake, Granatelli 75mm MAF, Billet AFPR, Equal-Length Shorty Headers, Off-Road X Pipe, Flowmasters, 4.10 POSI
13.73 at 103.8, ~2.2 60'
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