new muffler suggestions please....
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Senior Member
Joined: Jun 2001
Posts: 726
Likes: 3
From: Northern Kentucky
Car: 1991 Z28
Engine: L98
Transmission: 700R4
new muffler suggestions please....
Im thinking of throwing my dynomax super turbo over a cliff..lol. It flows good, just not enough sound, even with the cats off. I dont have a huge motor, but would like a muffler to accent my ZZ4 cam. I was thinking of a Flowmaster 40series or a Dynomax ultra flo.....but NOT a crossflow. Would I need a center inlet/offset outlet or what? I know the Force II catback uses a similar 50series muffler....but Im not sure what inlet/oulet I need. Thanks in advance.......
Member
Joined: Jun 2000
Posts: 164
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From: corvallis. or
Car: 1990 iroc
Engine: 350 tpi
Transmission: 700r4
well if you plan on using you existing piping I would get the inlet and outlet in the same configuration that it is now so you if is easy for you or the shop you have install it. borla is more money but I would look into them as I think they sound better but that is just my personal opinion of course.
Last edited by gearrrhead; Jul 6, 2004 at 03:31 PM.
Senior Member
Joined: Apr 2003
Posts: 717
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From: pittsburgh, PA
Car: 84 Firebird Trans Am
Engine: 305 4bbl HO
Transmission: 700-R4, 3.73 rear
i saw this one from magnaflow and it's not a crossflow, i've been tryin to get ahold of them to find out more about it but they haven't repied yet it's P/N 14277
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Joined: Feb 2001
Posts: 343
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From: Louisiana
Car: 1989 Formula 350 / 2000 Lightning
Engine: GM HO 350 Crate (Vortec headed w/TPI) / SC 5.4 330
Transmission: Rebuilt 700R4 (Raptor Rebuild Kit)
Supreme Member
Joined: Jan 2003
Posts: 2,067
Likes: 1
i ditched my old flowmaster recently and had a 3" centerpipe and magnaflow muffler installed. not sure what the part # is, but its long and not as wide as the flowmaster. it is not as loud at idle but when u give it gas u definitely hear it! and when u go WOT...
also its supposed to flow a lot better than the flows. so far everyone i know likes the sound better now than before. i recommend magnaflow.
also its supposed to flow a lot better than the flows. so far everyone i know likes the sound better now than before. i recommend magnaflow.
Supreme Member
Joined: May 2001
Posts: 2,009
Likes: 5
From: Pitman, NJ
Car: '89 IROC-Z
Engine: Canfield 195 headed 358ci
Transmission: TH350, Art Carr 9.5"
Axle/Gears: 3.92 Dana 44
I put Hooker Aerochambers on anything and everything. For the price, performance, and sound I dont think they can be beat... Thats just my biased opinion though
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Joined: Jul 2004
Posts: 7
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From: Southern Louisiana
Car: 1 each white and black 91 Z28
Engine: White Z-355 TFS Hot cam TPIS big tube setup/ Black Z-383 AFR ZZX cam TPIS miniram setup
Transmission: Both 700R4
Spin tech! Great sound and fits very good. Flow is great. I also like SLP but probably too quite for you.
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Joined: Mar 2003
Posts: 1,301
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From: Severn, MD.
Car: '88 T/A and '90 T/A
Engine: LB9/383
Transmission: T5/700R4
ressurection post.
Spintech is junk. Had a car on the dyno a couple weeks ago with the spintech setup and when we opened the cutout it gained 60HP. And I thought flowmasters were sorry
I've got the magnaflow muffler on my car now with the Corsa tips. Looks and sounds awesome! Had the whole Corsa catback, but the mufflers have a tendency to fall apart inside and make a horendous buzzing sound.....which mine did.
Shouldn't happen with a $700 catback
Spintech is junk. Had a car on the dyno a couple weeks ago with the spintech setup and when we opened the cutout it gained 60HP. And I thought flowmasters were sorry
I've got the magnaflow muffler on my car now with the Corsa tips. Looks and sounds awesome! Had the whole Corsa catback, but the mufflers have a tendency to fall apart inside and make a horendous buzzing sound.....which mine did.
Shouldn't happen with a $700 catback 
TGO Supporter
Joined: Apr 2003
Posts: 338
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From: Maine
Car: 89 Formula 350 WS6
Engine: 383 miniram
Transmission: 700R4
dynomax ultra flow welded.
compare these flow numbers to anything you can find:
http://www.dynomax.com/documents/ultrafloweld_specs.pdf
compare these flow numbers to anything you can find:
http://www.dynomax.com/documents/ultrafloweld_specs.pdf
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