Magnaflow race, Flowmaster race or Spintech race on Mufflex 4" cat back
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From: Long Island,NY
Car: Bone stock 1989 Iroc T-Top,1991 Z28
Engine: 5.7, Carbed 383
Transmission: 700r4, T-56
Magnaflow race, Flowmaster race or Spintech race on Mufflex 4" cat back
What would you guys recommend on a stout 383 build with NO2?
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Joined: Mar 2011
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From: williamstown,NJ
Car: 95 9C1,99 Sierra,90Sierra,00 sierra
Engine: TBI350,LM7,LT1,Vortec 350
Transmission: 700r4,4L60e,4L60e,4L80e
Axle/Gears: 10 bolt,14bolt,3:42,3:73,3:08,3:73.
Re: Magnaflow race, Flowmaster race or Spintech race on Mufflex 4" cat back
Spintech.
Joined: Sep 2003
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Magnaflow race, Flowmaster race or Spintech race on Mufflex 4" cat back
I've heard both the flowmaster and spintech on mufflex systems before....both sound good, but I'd prefer the single chamber 10 series flowmaster race just because its abit cheaper.
Both are gonna be pretty loud.
I ran a Dynomax ultraflow round 6" case on my 383 with 4" single and it was still very loud but alot quieter than borla xr-1 clone muffler I had (dynatech split flow).
Both are gonna be pretty loud.
I ran a Dynomax ultraflow round 6" case on my 383 with 4" single and it was still very loud but alot quieter than borla xr-1 clone muffler I had (dynatech split flow).
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