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11-08-2013, 09:25 AM
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#1 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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What exhaust are you guys running with your swap?
Obviously nothing is going to bolt right up after the swap....but Im curious what system you guys started with and then modified. Im thinking about running the pipes so that they dump out the side right in front of the rear wheels. I may just buy some Thrush glass packs and one of Summit Racing's build it yourself 2.5" exhaust kits. Im running the hooker cast LS swap manifolds to clear my CPP tubular motor mounts and the factory column shift linkage.
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11-08-2013, 09:44 AM
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#2 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: What exhaust are you guys running with your swap?
I plan to let 3rd gen do mine and dump under the truck at the rear axle. Right now he is just going to tie into the 2.5" that is there now. My ultimate goal is for S/S once I get it running.
 
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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11-08-2013, 11:00 AM
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#3 |
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Boosted Member
Join Date: May 2002
Location: Mackinaw, IL
Posts: 2,200
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Re: What exhaust are you guys running with your swap?
4" exhaust to the rear of the front wheel, with an 80mm muffler.
 
__________________
1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq 1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift 1964 Buick Skylark Twin TURBO 383 LS pro-touring project 2014 VW Passat TDI - Daily Driver Turbo diesel 2015 Sierra Denali HD Duramax Turbo diesel 2023 Ford Explorer ST - Twin Turbskis 2023 Ford F150 RCSB - Whipple Supercharged 2017 Polaris RZR Turbo 2014 Nor-Tech Center Console - Twin Supercharged Outboards TURBO ALL THE THINGS!! |
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11-08-2013, 11:59 AM
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#4 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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Re: What exhaust are you guys running with your swap?
hahaha, thats awesome
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11-09-2013, 10:01 PM
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#5 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: What exhaust are you guys running with your swap?
DT headers to cut-outs, 2.5" x-pipe to Hooker aerochambers over the axle and straight out the back. Just got it back from the shop today! I'll post a link to a video tomorrow. Used to run Flowmasters on my 350/NP435, but it was too loud for a daily. Probably would have worked better now that I have overdrive, but my brother is using them with his buick.
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Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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11-09-2013, 10:37 PM
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#6 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
Hooker street rod shorties/stainless mandrel bent downs(speedway motors). The system goes 2 1/2" pipe, front to rear/H pipe/ 50's flows....exit through the rear bumper....Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-10-2013, 12:19 AM
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#7 |
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Registered User
Join Date: Mar 2013
Location: Marquette michigan
Posts: 828
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Re: What exhaust are you guys running with your swap?
Hi flynavy30, I remember all the negative specs on glass packs, excessive backpressure, tone quickly changes to a bad loud note when the fiberglass burns/blows out. A friend put those behind a sbc in a chevelle and in 3 weeks hated them. I'm kinda old school and in the 60's-70's corvair turbo mufflers were the rage and i still like a 2 1/2" inlet/ 2 1/2" outlet staggered, short body, (not straight through). Nice tone but not obnoxious. There is new mufflers out now that i would consider when the time comes, Corsa, Borla, etc, that have the drone toned down. Not trying to rain on anyone's parade, but ask around. Sound bites are on some websites also and seem legit. Good luck, Brian F.
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11-10-2013, 12:48 PM
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#8 |
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Registered User
Join Date: Apr 2012
Location: Vegas
Posts: 617
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Re: What exhaust are you guys running with your swap?
Right now I have 99 Fbody manifolds, 2.5" straight piped to thrush turbo mufflers. Sounds great. The manifolds will soon be flipped and connected to a 76mm Turbo and who knows from there.
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11-10-2013, 01:09 PM
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#9 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: What exhaust are you guys running with your swap?
Mine's running Dynatech F-body swap headers, a dual 3" Flowmaster build your own exhaust system with Summit turbo mufflers...dumped at the rear axle. Its amazingly quiet at cruise but give it some pedal and it starts sounding like its running open headers.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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11-10-2013, 01:22 PM
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#10 |
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Registered User
Join Date: Sep 2012
Location: Milwaukie OR
Posts: 135
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Re: What exhaust are you guys running with your swap?
Hooker block hugger shorties, 2.5 pipes through Thrush Welded mufflers. I am VERY pleased with how these mufflers sound, and they are half the price of Flowmaster, which I have run with the last two motors, so I'm not talkin trash, just wanted something a little different.
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11-10-2013, 08:10 PM
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#11 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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Re: What exhaust are you guys running with your swap?
my big hurdle right now it trying to determine if the Holley manifolds will in fact clear the CPP motor mounts.....
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11-10-2013, 08:35 PM
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#12 | |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
Quote:
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-10-2013, 08:44 PM
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#13 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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Re: What exhaust are you guys running with your swap?
Thanks longhorn, I figured Ill be ok with the shift linkage, its more clearing these CPP motor mounts Im having difficulty with....didnt realize they were such an issue
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11-10-2013, 09:27 PM
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#14 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
Can you shoot a couple pics of what you are dealing with? Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-10-2013, 10:38 PM
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#15 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: What exhaust are you guys running with your swap?
I used eBay stainless shorty headers for 2nd gen Camaro ls swaps, into 2.5" dual exhaust, with x-pipe that was custom fitted & welded by me. For mufflers I used 2 magnaflow stainless 24" long mufflers with turndowns in front of the rear axle. Real quiet at lower RPM's but sounds mean at 5K
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Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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11-10-2013, 11:34 PM
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#16 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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Re: What exhaust are you guys running with your swap?
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11-10-2013, 11:46 PM
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#17 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
I think I missed something in the 'mix'...I thought that you were running Hooker cast iron headers? The back side of those stands , do look to be intrusive, for anything that you would mount for headers tho... Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-11-2013, 12:16 AM
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#18 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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Re: What exhaust are you guys running with your swap?
I ordered the Hooker manifolds to see if they'll work since I couldnt find anyone who could definitively say they do or do not work with the CPP mounts....still waiting for them to arrive
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11-11-2013, 06:23 PM
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#19 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
My thoughts are, that you wont really know, till you set the engine into place? At that point, you might be able to opt for different engine mount plates (for the block), if the fit is too tight. Best of fun....let us know how she goes, Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-11-2013, 07:17 PM
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#20 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: What exhaust are you guys running with your swap?
Trailblazer ss manifolds are what i is running
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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11-11-2013, 08:04 PM
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#21 | |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
Quote:
? Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-11-2013, 08:40 PM
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#22 |
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Registered User
Join Date: Apr 2013
Location: Austin, TX
Posts: 592
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Re: What exhaust are you guys running with your swap?
thanks Longhorn, Ill keep you up to date....Im leaning towards the Thorley headers, despite the expense as I think the plumbing of the remainder of the exhaust will be easier with the longtubes....we'll see. I may still try to fit the manifolds and see what the clearance is, Ill keep you updated!
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11-11-2013, 09:24 PM
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#23 |
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Registered User
 
Join Date: Jun 2012
Location: Schoolcraft, Michigan
Posts: 928
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Re: What exhaust are you guys running with your swap?
I am using the Trailblazer SS manifolds with Borla Pro XL mufflers.
__________________
1972 GMC Jimmy 4x4 LS Swap 1985 Chevy K20 1994 GMC Yukon 2021 GMC 2500HD Duramax AT4 My "It's a Jimmy Thing" Build http://67-72chevytrucks.com/vboard/s...d.php?t=583528 Budget Build 1985 K20 http://67-72chevytrucks.com/vboard/s...d.php?t=801565 |
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11-11-2013, 10:17 PM
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#24 | |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What exhaust are you guys running with your swap?
Quote:
These old trucks , are NEVER done! You just keep adding , as you go My old Longhorn, is a running /driving LS swap.....carb this trip, but really wanting the fuelie.She wont run like the old stroker, but should be fun to pay with(6 gears on the "row'). The old 383 , is doing track time, in my brothers S-10....Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-11-2013, 11:02 PM
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#25 |
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Registered User
Join Date: Dec 2010
Location: freeburg, illinois
Posts: 885
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Re: What exhaust are you guys running with your swap?
Open hooker ls swap manifolds, its loud. Like gravedigger loud.
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1987 Chevy V30 - http://67-72chevytrucks.com/vboard/s...d.php?t=573854 1988 IROC-Z Camaro - 305/T5 T-Top 1989 GMC V35 - Marbolo Express http://67-72chevytrucks.com/vboard/s...d.php?t=596850 1991 V2500 Suburban Silverado - Sold 1991 V2500 Suburban Scottsdale - Big Nasty http://67-72chevytrucks.com/vboard/s...d.php?t=497423 2001 Ram 3500 5.9 H.O NV56 EC DRW - Sold 2003 1500 Silverado 2004 Ram 3500 5.9 H.O NV56 CC DRW - Sold 2005 Silverado 2500HD 6.6/ZF6 CC LWB |
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