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Spintech or Flowmaster for stock 305 TBI??

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Old Aug 1, 2003 | 11:20 AM
  #1  
Longer91Cam's Avatar
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From: Perry, Iowa
Car: 91 RS
Engine: 305 TBI
Transmission: T-5
Spintech or Flowmaster for stock 305 TBI??

Im going to order the mufflers and have my cat removed and a new 3" mandrel bent i pipe with the stock y pipe and manifolds just to let you know. Which one in your opinion will sound better and are the prices about the same? Thanks
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Old Aug 1, 2003 | 02:45 PM
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
spintech hands down
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Old Aug 1, 2003 | 03:17 PM
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Longer91Cam's Avatar
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From: Perry, Iowa
Car: 91 RS
Engine: 305 TBI
Transmission: T-5
Ok can i get a 3" i pipe from any exhasut shop that is mandrel bent?? I went to a local shop and they said the only they could get was a compression bent one and i dont want that do i? So then all i would be getting was a i pipe and a muffler and not a new cat or no cat cause they wouldnt do either. I didnt understand why they couldnt put a new cat on to replace the old crappy one but he said it was illegal to mess with a cat that still works or something. Any suggestions of what to say to other shops when i go? Any help is greatly appreciated.
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Old Aug 1, 2003 | 06:06 PM
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From: In a mint Third Gen!
Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
I'd say Flowmaster but I've never heard ST in person.
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Old Aug 1, 2003 | 08:05 PM
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
Id check a few other shops.. If they cant do mandrel bend 3inch I wouldn't want them doing my car anyways.

A local shop here can do Upton 6inch mandrel bend.

If you cant find anything local check summitracing
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Old Aug 1, 2003 | 08:08 PM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Spintech
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Old Aug 2, 2003 | 07:50 AM
  #7  
25THRSS's Avatar
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From: Glen Allen, VA
flowmaster
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Old Aug 2, 2003 | 05:19 PM
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From: Silverhill,Al
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: T-5
Get the SpinTech, I have the cross flow with 3" in and 2 1/2 out, sounds great, not tinny like a flowcrapper. And if you want your cat replaced just take it off yourself, then take it to a shop and tell them you bought it that way,then have them put your new one on, they won't get in trouble for putting a cat on a car that didn't have one in the first place.
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Old Aug 2, 2003 | 08:01 PM
  #9  
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Download sound clips, listen to sound clips, then make your choice
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Old Aug 2, 2003 | 10:27 PM
  #10  
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From: kansas
Car: '88 Camaro
Engine: 355
Transmission: 700R4
why dont you just buy the whole catback since it includes a mandrel-bent i-pipe, muffler, and tailpipes? also, as far as the cat goes, do what dartbyu said. definitely :hail: flowmaster
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Old Aug 3, 2003 | 12:22 AM
  #11  
Longer91Cam's Avatar
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From: Perry, Iowa
Car: 91 RS
Engine: 305 TBI
Transmission: T-5
What is included in the whole cat back and how much does it cost? Also where can i order it from and get the best price?
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Old Aug 3, 2003 | 01:12 AM
  #12  
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I second buying the complete catback system. I had a shop bend me my 3 inch pipes an it looks like crap. They had a tough time bending it over the axel and by the way it looks the air flow is suffering. You'd be safer buying the system and will end up costing the same. (Plus you can install yourself)
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Old Aug 3, 2003 | 08:54 AM
  #13  
Longer91Cam's Avatar
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From: Perry, Iowa
Car: 91 RS
Engine: 305 TBI
Transmission: T-5
Yeah well there is no way im going to install this myself, im not that handy yet So can someone tell me how much an entire catback from flowmaster will cost and where can i get it for the best price?
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Old Aug 3, 2003 | 09:04 AM
  #14  
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From: kansas
Car: '88 Camaro
Engine: 355
Transmission: 700R4
the flowmaster force II catback is like $220 i think, and the flowmaster american thunder catback is a little over $300 i think. summit and jegs sell them, so just check their prices there to get the exact prices. the flowmaster force II is quieter with a single tailpipe exiting the rear, and the flowmaster american thunder catback is loud with chrome tips exiting out each side of the rear.
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Old Aug 3, 2003 | 09:51 AM
  #15  
Longer91Cam's Avatar
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From: Perry, Iowa
Car: 91 RS
Engine: 305 TBI
Transmission: T-5
ALright i just looked at jegs and hvae come to an even greater decision. Both the dynomax and hooker are cheaper than flowmaster and the flowmaster that will fit my car just says a cross chamber muffler comes with it. Is this the 80 series cause if not then i wouldnt be able to get the whole catback. Also what part number does anyone have on their car for hooker or dynomax and do they sound good? Also since i dont want to spend too much money will the hooker or dynomax be good for my car? THanks.
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Old Aug 4, 2003 | 04:25 PM
  #16  
Irocster's Avatar
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From: So Cal
Car: 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R-4
Well, my number one choice will always be Spintech....I have the 343SC like DartByU and love it. But if you want the cat back kit (which spintech doesn't make ) I would DEFINATELY consider hooker or dynomax or even magnaflow before flowmaster. The reason why most shops don't do mandrel bending is because mandrel bending machines are VERY expensive. And with your stock 305, I can guarantee you your little 305 won't know the difference between mandrel and non-mandrel bent pipe.
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Old Aug 4, 2003 | 05:09 PM
  #17  
Longer91Cam's Avatar
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From: Perry, Iowa
Car: 91 RS
Engine: 305 TBI
Transmission: T-5
Yeah well i will know the difference and a 350 is in the works for the months to come. I will probably end up going with the hooker so thanks for the help.
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Old Aug 5, 2003 | 03:11 PM
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92BLKL98's Avatar
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From: Powder Springs, Georgia, USA
Car: 1992 Black Z28 Hardtop
Axle/Gears: 2002 10 bolt w/3:23
Spintech all the way
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