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Originally posted by Eye8Pussies in theory, yes......
but hye, since you got it free, wouldn't hurt to try!
Well, I spoke with the village idiot.. I mean service manager at Pep-Boys, and he said that doing so with a 4 cylinder engine, on a muffler made for a 6 or 8 wouldn't be much of anything.
However since we would be cutting the exhaust routing in half by way of theory... we can accomodate proper "pressure" in the system?
Is there even a need for a certain amount of pressure in the system?
muffler won't do anything much but change up your sound
yes, in smaller displacement cars, a certain amount of backpressure is needed...but you won't be affect that by just a muffler only...you'd really only change it with bigger diameter piping...
you could probably leave that tube open or closed, no biggie either way...it's just a muffler, not super important for anything but sound deadening on a factory car
The only reason I intend to close the one tube is because the way it will be mounted, will make the exhaust blow up against my Axle.
Unless I had some sort of possibly sharp J turn in it and pointed straight to the ground, and put a nice long chrome extension on the other.
I'll have to see. I have been reading on "How stuff works" and I just read that having less back-pressure is good. Stupid guys at Pep-Boys. This is why I call them the village idiots.
close it off then, it's not big deal...i'm not sure if the exhausts gasses would flow back out that tube, but i suppose just seal it off just in case...
backpressure gets pretty complicated in exhausts systems and a lot of the gurus debate over terminology and what not...but for the most part, this should get you through life...
small displacement motors need at least some back pressure to create low end torque, which is why you're not really advised to go any bigger than 2.25" diameter piping if you stay n/a...now if you're gonna go fi such as turbo, you're going to want the exhaust gases to expel as fast as possible so you can go with bigger piping at like 3"...the 2.25" offers lowend torque but is too small once the turbo fully spools and exhaust gasses become greater
as for bigger displacement domestics and the like...they don't have to worry about losing low end torque cause they're making more of it and cause of the larger block, stock they're already pushing out more exhaust gases
I'm going to have this installed probably next week. I'll get a nice straight pipe, and then perhaps a decent Tip. Perhaps the Montezza twins. (spelling?)
ya just block it off it doesnt matter when it comes to exhaust systems you dont really want any backpressure, u want velocity. but hey its all just terminology, u pretty much just want a short skinney exhaust, small header and down pipe and free flowing after that
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