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02-05-2015, 09:19 PM
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#1 |
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Registered User
Join Date: Sep 2014
Location: Tallahassee, Florida
Posts: 21
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mufflers
What mufflers will give good tone but the least interior resonance? Engine is a small block 388 with roller cam.
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02-05-2015, 11:06 PM
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#2 |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,578
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Re: mufflers
I think a long magnaflow duels would work well for you. I would use 2 1/2 inch myself.
The longest mangaflows I am aware of is 24 inches. |
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02-06-2015, 06:18 AM
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#3 |
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Registered User
Join Date: Dec 2014
Location: Hutto
Posts: 109
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Re: mufflers
2.5" Dynomax SuperTurbos.
Run them out the back for fairly quiet drive, out midway for some rumble. Sounds nice, and will turn some heads idling through a parking lot with shorter tailpipes. Out flowed Flowmasters in dyno testing.
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Scotty Baccus |
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02-06-2015, 12:07 PM
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#4 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,465
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Re: mufflers
I've always thought Walker Quiet Flows might be the way to go, but have no first hand experience with them. They're advertised as offering more performance than OE-type mufflers without being too noisy.
When my 82 C10 gets its 355 transplant, I have an almost new pair of old skool Thrush Turbos that I'll try out. Worst case, I'll have to add some 12" straight-thru glass packs as resonators, which I've done in the past on two vehicles. Easy to install on most pickups, just before the bumper. Basically what they do is knock some of the edge off the sound, and reduce interior resonance. Exhaust energy is much lower back there, so I gotta think the effect on power is negligible.
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! Last edited by MikeB; 02-06-2015 at 12:14 PM. Reason: TMI |
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