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#1 |
Registered User
Join Date: Feb 2007
Location: Canada
Posts: 53
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Dual Exhaust
Hey I'm thinking of getting dual exhaust with glasspack mufflers. Im just wondering if that'd boost my power very much if anybody has any idea please let me know.
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Stephen |
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#2 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Dual Exhaust
You'll feel a little power difference, mainly in throttle response, due to less restriction, but don't expect a total night and difference in power. The sound factor alone is worth the doing duals, but the few extra ponies are just a little bonus!
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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#3 |
RIP BigDaddyDave ~7-23-09~ You will be missed~
Join Date: Aug 2007
Location: Concord NC
Posts: 1,361
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Re: Dual Exhaust
I have had both single and dual exhaust,and i never noticed a huge increase in power,all of my trucks always sounded better with the duals. I think dual exhaust helps the motor breath a little easier.
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BigDaddyDave's Truck: http://www.flickr.com/photos/daves71chevy/ | See it in Action! |
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#4 |
Addicted to Chevy
Join Date: Dec 2004
Location: Tyler, Tx
Posts: 857
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Re: Dual Exhaust
i, personally wouldnt go with glass packs though. There are so many mufflers out there that will give you a better tone than with glass packs. Im not telling you how to build your truck, just advising you to ask around, listen to other exhausts, and think it over. This could be the first impression that your truck gives out, since they will hear you coming!!!!!
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#5 |
Registered User
Join Date: Dec 2007
Location: Southern CA
Posts: 210
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Re: Dual Exhaust
The dual exhaust will open up the motor a bit but remember that engines do require some back pressure. I would skip the glass packs and go with Flowmasters they have a great note on V-8s.
On my 71 the duals exit before the rear tires. People know when I hit the gas. An option for keeping a single exit is to use a larger diameter tube. Keep in mind that you need to service your vehicle and extra pipes under the frame equals extra stuff to move and reach around. Mark |
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#6 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: Dual Exhaust
There`s all kinds of room for duals under these trucks.It`s the first thing every truck I but gets.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#7 |
Registered User
![]() Join Date: Oct 2007
Location: Fairfield, PA
Posts: 503
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Re: Dual Exhaust
For what it is worth...I have worn out glass packs on mine with a big block. They are real poppy and rap out very noisy. I am going to magnaflows pretty quick just to get rid of the pop. When the glass packs are new they have a little more tone/depth in the sound but it does not take to long and the glass blows out. My son kind of describes my truck as sounding like a school bus.
Alan |
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#8 |
Registered User
Join Date: Feb 2007
Location: Canada
Posts: 53
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Re: Dual Exhaust
ya thanks guys ill look at some other mufflers. i was thinking of folowmaster super 40's or something that should be pretty loud lol
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Stephen |
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