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#1 |
Registered User
Join Date: Nov 2009
Location: Bloomington, IL
Posts: 34
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Pre-fab exhaust systems
How many of us have a pre-fab exhaust system on our trucks? My '72 GMC is in serious need of exhaust and I was curious what other people are running.
I can go down to the local muffler shop and have him run me a set of 2.5" duals with glasspacks for under $400, although that's non mandrel-bend. I have been looking at this setup from Pypes Exhaust, but was wondering how good of a fit it is? http://www.pysales.com/iwwida.pvx?;P...TL?cat=X251530 Seems like something that fits 1967-87 would be kinda generic? Anyone running this setup? If not, what are you running and how do you like it?
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-Tony Money is no object... once it's in your wife's hands. 1972 GMC Sierra 1977 Ford LTD II 2000 Pontiac Grand Prix (wife's ride) Last edited by BigChevy80; 12-13-2009 at 09:59 PM. |
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#2 |
blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Re: Pre-fab exhaust systems
I think it will fit your GMC pretty good. not so well on a Chevy due to the different rear suspensions.
then again I would rather go with a local custom bent set. with that you have a say in how it is run. I wouldn't be too concerned with the bends since you are going 2 1/2" unless you have a real healthy 454 or larger and will spend a lot of time at high RPMs. |
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#3 |
Registered User
Join Date: Nov 2009
Location: Bloomington, IL
Posts: 34
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Re: Pre-fab exhaust systems
Yeah this truck just has a stock 350 and is my daily driver beater for now. Was just curious how well any of these pre-fab systems fit.
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-Tony Money is no object... once it's in your wife's hands. 1972 GMC Sierra 1977 Ford LTD II 2000 Pontiac Grand Prix (wife's ride) |
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#4 |
Registered User
Join Date: Aug 2009
Location: Simi Valley, CA
Posts: 193
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Re: Pre-fab exhaust systems
I used the LMC pre bent dual exhaust and it fit just fine. Sounds good too.
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#5 |
An American Soldier
![]() Join Date: Feb 2005
Location: Grumolo D' Abadessee, Italy
Posts: 503
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Re: Pre-fab exhaust systems
I used Heartthrob back in '05. They make the kits LMC and JC Whitney sell. I just had to cut the kit. It tells you how long if I remember correctly. The kit is for a long wheel-bsed trcuk. I have a short wheel-based truck. I haven't had any issues. I got stock mufflers. Sounds fine to me...daily driver.
http://www.heartthrobexhaust.com/
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Dan dan.brue@us.army.mil |
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#6 |
Son of a gun
Join Date: Jan 2007
Location: Hot Springs, Arkansas
Posts: 1,636
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Re: Pre-fab exhaust systems
$400 sounds high for custom exhaust work. Mine was $200 for glasspack duels out the back. I'd shop around.
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Bill BEATERS ARE NEATER |
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#7 | |
Project Junkie! Fishing Poor!!
![]() Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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Re: Pre-fab exhaust systems
Quote:
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On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys |
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#8 |
Registered User
Join Date: Jul 2008
Location: Vancouver
Posts: 147
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Re: Pre-fab exhaust systems
How bout header back 3 inch kits???...would be a good idea??, I cant find any....
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#9 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: Pre-fab exhaust systems
Same here.
I used the "heart-throb" as well. It's a tight squeeze with a trailing arm shortbox, but it does fit. I've had mine on my truck since 2002.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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#10 |
Trucks N Tranzams
Join Date: Dec 2002
Location: North Las Vegas, Nevada
Posts: 816
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Re: Pre-fab exhaust systems
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![]() '68 Chevy LB 383 TH400/GV/373 posi '56 Chevy 4WD SWB '64 Chevy short stepside '79 Trans Am 455/TH2004R/12blt/4whldisc 95 Kia (Wifes car) 2002 S-10 extended cab pickup "God punishes small sins immediately" Last edited by Arad68; 12-15-2009 at 02:07 AM. |
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#11 |
Registered User
Join Date: Nov 2009
Location: Bloomington, IL
Posts: 34
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Re: Pre-fab exhaust systems
I'm thinking I'll do the same. I looked in my LMC catalog and the stock exit glasspack kit is only $179 with glasspacks included! Now I just have to go find some stock style manifolds to put on it (I hate these headers!).
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-Tony Money is no object... once it's in your wife's hands. 1972 GMC Sierra 1977 Ford LTD II 2000 Pontiac Grand Prix (wife's ride) |
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#12 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: Pre-fab exhaust systems
I if remember right, the kit "is made for" the center dump rams horns. I'm pretty sure that is what is on my truck
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! Last edited by 67ChevyRedneck; 12-15-2009 at 04:39 AM. |
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#13 |
Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: Pre-fab exhaust systems
I have $275 in my dual system just for pipiing, I have nearly $100 each in the magnaflow mufflers I am using so $475 sounds about right except for the glass packs, those are only $20 each....
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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#14 |
Its a Truck Thing......
Join Date: Dec 2004
Location: Sierra Vista, Arizona
Posts: 3,159
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Re: Pre-fab exhaust systems
The kit from LMC uses the ramhorns that have the angle dump, not straight down, I have a kit on one of my trucks and it was complete with everything, nice donut gaskets too. Had to have one pipe bent at a muffler shop, but for the price, I was pleased. Does come for the longbed though, had to cut it down to fit.
In AZ I couldnt get exhaust for less than 400, meinke wanted over 600,,,Went to TN got it with mufflers for 280,,,must be a metal shortage in the southwest.... Smitty
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71 C10 283/3SPD Full Resto 71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599 70 C10 Suburban Former military GSA truck. 72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378 72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110 68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head 71 C30 Wrecker 71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck 68 GMC Long Stepside. They keep following me home 71 C20 Longhorn/Ole Yellor 69 C30 Former Motor Home, Flat Bed time Last edited by 71meangreenc10; 12-15-2009 at 10:06 AM. Reason: fat finger |
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#15 |
Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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Re: Pre-fab exhaust systems
There is a lot of good information and some disinformation in this post.
The LMC kit is made by Hearthrob Exhaust in Litchfield, MN. http://www.heartthrobexhaust.com/ When you order from LMC if you specify 4x4 you get pipes that come off your center dump (factory) manifolds. If you specify 2wd you get pipes that come off your angle dump (factory) manifolds. I own a long wheel base truck. The kit is made for long wheel base trucks (8 foot boxes) so I didn't have to cut a thing. The destuctions said you need to cut around a foot off of the long pipes for short wheel base trucks. I have a 4x4, specified 4x4, and only had to fab one thing. Since it is dual exhaust and my truck came from the factory as single, I had to run to NAPA and purchase a generic exhaust hanger for the side that didn't orginally have one. I am VERY pleased with this 'kit'. It was right around $200 to my front door. I installed it in December of 2001. In 8 years and approximately 12,000 miles I only have had to replace the mufflers once. In MN we go through a lot of mufflers. The salt and moisture eat from the outside in and the water in the exhaust attack them from the inside out so I ain't complaining about a thing. I don't work for NAPA, Hearthrob Exhaust, or LMC
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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#16 |
Registered User
Join Date: Jan 2009
Location: Sandersville, GA
Posts: 298
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Re: Pre-fab exhaust systems
I paid $550.00 for custom 2 1/2 inch mandrel bent from headers back, with flowmasters, h pipe, and chrome tips. That included labor to r and r lowered crossmember from early classic. So, I would question his price with glass packs, or shop around.
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How 'Bout them Dawgs! ![]() '10 Traverse LTZ 03 Silverado Z71 ext cab 99 Yamaha Grizzly 600 72 C10 350/350 sportside bed. 68 C30 flatbed. 350 4-speed. "I've got a good memory, it's just short!" |
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#17 | |
Registered User
Join Date: Jul 2007
Location: Fall River California
Posts: 2,026
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Re: Pre-fab exhaust systems
Quote:
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#18 | |
not enough hours in the day
Join Date: Jan 2009
Location: Axtell, NE
Posts: 550
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Re: Pre-fab exhaust systems
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#19 | |
Registered User
Join Date: Jul 2007
Location: Fall River California
Posts: 2,026
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Re: Pre-fab exhaust systems
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#20 |
not enough hours in the day
Join Date: Jan 2009
Location: Axtell, NE
Posts: 550
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Re: Pre-fab exhaust systems
Are these what you have? They are stock manifolds on a 74 4x4.
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65 K-10 Short Step 68 C-50 70 K-5 85 K-10 & piles of spare parts |
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#21 |
Registered User
Join Date: Jul 2007
Location: Fall River California
Posts: 2,026
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Re: Pre-fab exhaust systems
Those are exactly what I have! I bet I could order a set for a 74 and make them work! There can't be much difference in the way the exhaust runs, what could be different? Thanks alot for the identification! That helps a lot!
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