2nd Generation Specific 1986-1992 Discussion

what would be a suitable muffler to use?

Old 10-08-2006, 10:28 PM
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the engine is a bridged s5 motor, and the piping is going to have to be a single exit one (no y-pipe for two mufflers) im looking for a good mix between not losing so much power and not having my ears bleed. also what size diamater should i use? the car also has a racing beat road/race header.
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Old 10-09-2006, 04:08 AM
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i'd use 2.5-3" pipe for n/a, 3-3.5" pipe for turbo, but i cant help you with the muffler. i like my ears to bleed.
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Old 10-09-2006, 09:54 AM
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we've always had good luck using the RB turbo back pre silencer, its 3" straight thru, QUIET, and its available just as a muffler now, for like $90.



on a turbo FC you use that, and anything you want in the rear and its streetable



the other "good" setup, since you're na, is to run a dual outlet header, to 2 2"-2.5" glasspacks, the longer the better, like 40" long. into a collector, and a single 3" straight thru muffler.



the key for power is to have it straight thru
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Old 10-09-2006, 11:34 AM
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Originally Posted by j9fd3s' post='840142' date='Oct 9 2006, 07:54 AM

we've always had good luck using the RB turbo back pre silencer, its 3" straight thru, QUIET, and its available just as a muffler now, for like $90.



on a turbo FC you use that, and anything you want in the rear and its streetable



the other "good" setup, since you're na, is to run a dual outlet header, to 2 2"-2.5" glasspacks, the longer the better, like 40" long. into a collector, and a single 3" straight thru muffler.



the key for power is to have it straight thru
how much sound muffling would the glasspacks actually give me? AFAIK this car is going to have to be my DD in a few months,(long story) so id like for the setup to be as streetable as possible.
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Old 10-09-2006, 12:40 PM
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a friend of mine had 2x2.5" pipes, into 2 loooooong glass packs, into 2 turbo mufflers on his full bridge and it was pretty quiet
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Old 10-09-2006, 02:00 PM
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Originally Posted by j9fd3s' post='840179' date='Oct 9 2006, 10:40 AM

a friend of mine had 2x2.5" pipes, into 2 loooooong glass packs, into 2 turbo mufflers on his full bridge and it was pretty quiet
how do you think it would be with one 30" glasspack and one muffler?
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Old 10-09-2006, 05:17 PM
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Originally Posted by Eric Happy Meal' post='840186' date='Oct 9 2006, 12:00 PM

how do you think it would be with one 30" glasspack and one muffler?


ok. plan b to that would be to get 2 RB 2.5" presilencers and a turbo muffler, that works really well
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Old 10-09-2006, 08:26 PM
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how long did those glasspacks last?



I know even on regular cars they blow out pretty quick
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Old 10-09-2006, 10:57 PM
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Originally Posted by j9fd3s' post='840208' date='Oct 9 2006, 03:17 PM

ok. plan b to that would be to get 2 RB 2.5" presilencers and a turbo muffler, that works really well
hrmmm. if im going to have to end up spending that much on it i minus well go for the whole schebang. (two mufflers that exit center on the rear, at a little more then license plate frame distance) would i still need two presilencers or just one for that?
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Old 10-10-2006, 06:12 AM
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would you like the 32 piece set?
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