Best Sounding Muffler with Duals
05-16-2006, 12:12 PM
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Car: 1987 IROC
Engine: Destroked 377
Transmission: TH-400
Axle/Gears: 9inch with 3.70's
Best Sounding Muffler with Duals
Im undecided on which muffler I want to run on my car. I have hooker LTs to straight piping to 2 mufflers. The exhaust is going to be 3". I was thinking about using 40 series Delta Force Race mufflers but they sound a little weird. I was also looking at Dynomax Ulta Flow mufflers. Anyone have duals with a good sounding muffler? Let me know thanks.
05-16-2006, 12:18 PM
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Car: '72 Chevy Nova
Engine: Solid roller 355
Transmission: TH350
Axle/Gears: 8.5" 10-bolt 3.73 Posi
The dynomax mufflers are really quiet, imo. The 40s series are a bit louder definetly.
I'd just put bullets on it and dump it.. or go with magnaflow mufflers.
I'd just put bullets on it and dump it.. or go with magnaflow mufflers.
05-16-2006, 09:01 PM
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Car: 84 firebird
Engine: 434ci
Transmission: turbo 400 3500 stall transbrake
Axle/Gears: 10 bolt 4.10 spool'd
imo i'd put on spintech pro shootouts true bad *** sound and great flow i had them on my firebird but its now open headers for time being they will go back on soon
05-16-2006, 09:23 PM
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Car: 1987 IROC
Engine: Destroked 377
Transmission: TH-400
Axle/Gears: 9inch with 3.70's
Yea i heard spintechs are nice. I need good mufflers for my new motor. 383 with about 490 horse. Also with good ground clearance.
05-16-2006, 09:45 PM
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The couple cars are heard with true duals and 40 series flowmaster mufflers sounded BAD ***.
I also have a movie of an LS1 with dual bullets, sounds sooooooo pissed off.
I also have a movie of an LS1 with dual bullets, sounds sooooooo pissed off.
Last edited by IROCThe5.7L; 05-17-2006 at 01:31 AM.
05-20-2006, 03:54 PM
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Seriously.. SPINTECH all the way. I had headers going all the way back with a 2 3/4" HIGH-FLOW catback system and had a 40 series Flowmaster running out to 3.5" chrome pipes. It sounded ALRIGHT (it was used so it was nice n broken in) - by alright I mean it was kinda raspy at higher RPMs but it was nice at idle and wasn't too loud on the highway - nice and deep though.
But then I added the spintech - wasn't really impressed at first because it sounded pretty similar if not weaker. Then I put on 5k.. that made a HUGE difference. Once the muffler opened up it started to scream. I live in Canada so I had it sent from California to NY but it was worth the 6 hour drive and $180 dent - no questions asked.
If you're debating Spintech vs well anything - go with Spintech. It's a great design with an even greater sound and amazing flow.
But then I added the spintech - wasn't really impressed at first because it sounded pretty similar if not weaker. Then I put on 5k.. that made a HUGE difference. Once the muffler opened up it started to scream. I live in Canada so I had it sent from California to NY but it was worth the 6 hour drive and $180 dent - no questions asked.
If you're debating Spintech vs well anything - go with Spintech. It's a great design with an even greater sound and amazing flow.
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