Re: Dynomax mufflers
[Re: 383man]
#1840112
06/02/15 10:52 PM
06/02/15 10:52 PM
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Joined: Feb 2007
Posts: 749 NY
Beep Beep
OP
super stock
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OP
super stock
Joined: Feb 2007
Posts: 749
NY
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Re: Dynomax mufflers
[Re: Beep Beep]
#1840966
06/03/15 11:04 PM
06/03/15 11:04 PM
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Joined: Apr 2003
Posts: 1,800 South Lyon MI
sleddinfool
top fuel
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top fuel
Joined: Apr 2003
Posts: 1,800
South Lyon MI
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The car I am currently building is at the fab shop getting a 3" header to bumper system with pypes racepro mufflers. When I took them out of the box I could see right trhough them-- Hope they aren't too loud. Kevin
71 gtx.....
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Re: Dynomax mufflers
[Re: sleddinfool]
#1841009
06/03/15 11:48 PM
06/03/15 11:48 PM
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Joined: Jan 2003
Posts: 8,460 Highland, MI.
Sunroofcuda
master
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master
Joined: Jan 2003
Posts: 8,460
Highland, MI.
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They will be very loud - trust me. Any 3" straight-through muffler will be a lot louder than a 2.5" muffler.
The flow specs listed look like they came right from Dynomax - or they were tested the same way using 20.3" H2O as the gauge. To the OP, if you have 550 HP & were running dual 2.5" Super Turbos, they will provide approx. 380 loss-free horsepower, so yes they were restrictive to an extent. The stainless 2.5" x 20" bodied Ultra Flows will flow 1075 sCFM, & are rated at 978 loss-free HP in a dual system. I also believe they will not be too loud - they may not be much louder than the Super Turbos until you are all the way in the throttle. These would be my first choice for a stock-looking muffler setup if I wanted an oval muffler & maximum flow. Most of the guys in the Pure Stock drags use Ultra Flows. If you have room for resonators in the system (maybe back in the tailpipes?), you could add those also for extra noise control if you need it. I can build you some in any length if you need something compact & effective.
Another muffler I really like the looks of (internally), are the Cherry Bomb Vortex mufflers, except they are built like boxes. Internally however, they have a really close design to some I designed a few years ago & I've heard a few sound clips with these mufflers installed & I like the way they sound. Plus, they will flow very well although I've never seen flow specs on these under the same type of baseline testing we did at Dynomax.
No Man With A Good Car Needs To Be Justified
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Re: Dynomax mufflers
[Re: 62maxwgn]
#1841217
06/04/15 09:25 AM
06/04/15 09:25 AM
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Joined: Feb 2014
Posts: 234 Brisvegas, Australia
Alchemi
enthusiast
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enthusiast
Joined: Feb 2014
Posts: 234
Brisvegas, Australia
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Your choice !
OEM..................................... ........................................ ...225 Gibson SuperFlow 788200.................................. ............311 TTS Bullet Cat Converter............................... ..................324 Flowmaster 40 series 42540................................... .......352 Flowmaster 50 Series.................................. ...................362 Flowmaster 40 series 43040................................... .......392 Dynomax Super Turbo................................... .................410 Flowmaster 62631................................... .......................435 Carsound Cat Converter............................... ..................436 FLP Cat Converter............................... ............................440 Edelbrock Victor 5535.................................... ..................562 Flowmaster 40 series 435409.................................. ........576 Edelbrock RPM series 5511.................................... ..........579 Flowmaster Delta Force Racing 54040-10........................634 Edelbrock 304 series 5560.................................... ...........640 Edelbrock Gen App 5505.................................... ..............708 Dynomax Race Magnum Welded 17216...........................711 Borla XR-1 40600................................... ..........................836 Borla XR-1 40615................................... ..........................854 Dynomax UltraFlow SS 17263................................... .......1000 Dynomax Race Magnum Welded 17218...........................1000 Borla XR-1 40575................................... ..........................1100 Dynomax UltraFlow............................... ...........................1133 Edelbrock Victor 5537.................................... ..................1400 Borla XR-1 40450................................... ..........................1400 Borla XR-1 40741................................... ..........................1450 Dynomax UltraFlow SS 17296, 17268..............................2200 Dynomax Race Magnum Welded 17220, 17224...............2200 Dynomax Race Magnum Welded 17225...........................2600 Are these figures ALL for 2 1/2??
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Re: Dynomax mufflers
[Re: Alchemi]
#1841359
06/04/15 01:05 PM
06/04/15 01:05 PM
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Joined: Jan 2003
Posts: 8,460 Highland, MI.
Sunroofcuda
master
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master
Joined: Jan 2003
Posts: 8,460
Highland, MI.
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Your choice !
OEM..................................... ........................................ ...225 Gibson SuperFlow 788200.................................. ............311 TTS Bullet Cat Converter............................... ..................324 Flowmaster 40 series 42540................................... .......352 Flowmaster 50 Series.................................. ...................362 Flowmaster 40 series 43040................................... .......392 Dynomax Super Turbo................................... .................410 Flowmaster 62631................................... .......................435 Carsound Cat Converter............................... ..................436 FLP Cat Converter............................... ............................440 Edelbrock Victor 5535.................................... ..................562 Flowmaster 40 series 435409.................................. ........576 Edelbrock RPM series 5511.................................... ..........579 Flowmaster Delta Force Racing 54040-10........................634 Edelbrock 304 series 5560.................................... ...........640 Edelbrock Gen App 5505.................................... ..............708 Dynomax Race Magnum Welded 17216...........................711 Borla XR-1 40600................................... ..........................836 Borla XR-1 40615................................... ..........................854 Dynomax UltraFlow SS 17263................................... .......1000 Dynomax Race Magnum Welded 17218...........................1000 Borla XR-1 40575................................... ..........................1100 Dynomax UltraFlow............................... ...........................1133 Edelbrock Victor 5537.................................... ..................1400 Borla XR-1 40450................................... ..........................1400 Borla XR-1 40741................................... ..........................1450 Dynomax UltraFlow SS 17296, 17268..............................2200 Dynomax Race Magnum Welded 17220, 17224...............2200 Dynomax Race Magnum Welded 17225...........................2600 Are these figures ALL for 2 1/2?? No - 2.5" & 3" combined I guarantee you. This list should have been separated by the different size mufflers.
No Man With A Good Car Needs To Be Justified
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