Quote:
Originally Posted by CamaroSpike23
btw... the SS will have a 6.2L set up very different than the 4.6L used in that test.
flow is flow, sound is sound, but when you are comparing two different motors to figure out what is best, it doesnt work.
same thing as the flowmaster exhaust. they sound great on mustangs, but sound like ass on 3rd and 4th gen f-body's. Magnaflow sounds great on both.
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Like I said, the SS makes more power, ie from a power production standpoint, the more inferior flowing muffler designs (which performed poorly in this mustang test), will perform as a percentage, even worse vs the better performing mufflers, on a higher hp/tq car.
The tests ARE applicable, only exacerbated even more, to the good or bad, since the LS3 makes more hp/tq vs the lesser 4.6. The systems are BOTH true dual, x pipe designs, using exhaust manifolds, almost identical in design, save the piping diameter, which probably is only a 1/4" or so smaller on the mustang. Could that affect sound, sure, will it affect power, sure, but the rankings unlikely, the power numbers will just be higher from a higher hp motor.
Plus, trying to re-create a similar comparison would be nearly impossible, and since this is the best anyone has, comparing this many exhausts, I for one am willing to use it...it has be posted and used numberous times on LS1tech.
I had a flowmaster initially on my LT1 car...it was no where in the same league soundwise as a mustang...the exhaust systems though are TOTALLY different in design, true dual (mustang) vs single-in-dual out f-body (with one cat on my 94'), so the expectation would be different sound. Chevy did a great thing going to the true dual set up on the new SS, it will allow superior flow and superior sound...
For my budget the best compromise of sound and power will likely be in the form of a magnaflow exhaust...usually all stainless design, good flowing mufflers and usually not overly loud, and best of all affordable...$0.02