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#41
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It seems everyone is calling the 17749’s a very quiet option. Is it like factory quiet, or does it have a little rumble? I’m wanting someone that is slightly above factory noise to at least let you know you have some motor.
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#42
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If that’s what you’re looking for in a muffler they’re the right ones for you.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
The Following User Says Thank You to b-man For This Useful Post: | ||
#43
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Just replaced my Flowmasters with a pair of Borlas . The sound is just right...inside and out
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#44
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what about a walker 18293
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#45
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Quote:
Sent from my SM-S901U using Tapatalk |
#46
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Pipe size makes a big difference - 17749's and their 2-1/4" equivalent are different in their noise level. 2-1/4" are almost factory quiet - the 2-1/2"s quite a bit louder but not obnoxious or ticket worthy.
Were I to redo mine Lemans, I would have 2-1/2" head pipes with 2-1/4" tail pipes. My T/A has the Thrush setup; quiet but not OEM quiet. |
#47
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19 inch Flowmasters .....let it RIP
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#48
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I've had the same 17749's (with an H-pipe) on my GTO now for about 20 years. Able to hold a conversation quiet inside the car and a nice rumble outside. With no other changes but the mufflers, I went from Flowmaster 50 series and an incredible drone inside the car to Dynomax 17749's and no drone or resonance.
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frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. |
#49
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Spintech for the win. Can get them made as long, thin case, and/or wide as you can fit, "stuffed" inside if you want as well to knock down sound. Great muffler.
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#50
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I have Flowmaster 40s that aren't for everyone. They're loud...but I'm loving the exhaust note/tone. Very aggressive, but at 55 mph (3.23) with windows down we were able to easily talk. Might get a little old over time... we'll see. It's always been part of the musclecar experience for me.
I need to record it.
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1970 GTO (Granada Gold) - 400 / TH400 |
#51
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Quote:
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James 1970 Trans Am Spotts Built 484" IA2, Highports, EFI Northwind Holley Terminator X sequential EFI fabrication and suspension by https://www.funkhouserracecars.com/ |
#52
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Pypes full 3” exhaust with X and Hooker Aerochamber mufflers
Sounds amazing!! https://youtu.be/-XGWLuEwyso
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James 1970 Trans Am Spotts Built 484" IA2, Highports, EFI Northwind Holley Terminator X sequential EFI fabrication and suspension by https://www.funkhouserracecars.com/ |
#53
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Hush Thrust?
Which Thrust do you have? I was thinking of using the Hush Thrust, but wondering if it might be too quiet on my Esprit.
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------------------------------ 1968 Firebird Convertable - my original HS car! 1978 Firebird Esprit "survior" 1930 Ford Model A Coupe .. (original) 1994 Buick .."TowMaster" ...woody wagon |
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