I don't want to replace the ones I have on now with the small block and 2 1/2" exhaust, I'm just trying to get an idea of which ones I'm putting on after I swap motors. I like the 40 series, but the only ones they show in 3" are the deltaflows, aren't they a little quiter than the regular 40 series?
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86 Mustang GT w/pretty stock 93 5.0 (e-cam,pulleys,injectors, throttlebody,h-pipe,headers) Swapping out the 302 for a 514 stroker(was a 429)-cobrajet heads, solid roller cam, victor intake, TKO II trans, 3.73's w/axles&c-clip eliminaters.
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