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06-16-2019, 06:18 PM
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#1 |
 
Drives: 2010 Camaro SS A6 Join Date: Oct 2018
Location: Brighton, MI
Posts: 190
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Stock manifolds
Does anyone know how much weight you will save when swapping out stock manifolds/cats for long tube headers/cats?
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06-17-2019, 10:46 PM
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#2 |
Drives: 2013 Summit White 2SS/1LE Join Date: Jul 2018
Location: SoCal
Posts: 118
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I doubt you would save much, if any weight by going with long tubes. If anything, they might actually be heavier than the stock manifolds.
Think about how much more metal is involved in making the long tubes vs. the short runners on the stock manifolds. Yeah, the stock manifolds are thicker, but long tubes are like 4-5 times as long in the runners vs. stock manifolds. |
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06-17-2019, 10:52 PM
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#3 |
          
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,737
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The stock manifolds are iron aren't they? I remember them being pretty heavy compared to my headers, but that was a while ago so I may be mistaken.
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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06-17-2019, 11:13 PM
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#4 |
 Drives: 2013 Camaro 2SS Join Date: Aug 2013
Location: Kansas
Posts: 342
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My guess would be between 20-30lbs weight savings
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06-17-2019, 11:48 PM
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#5 | |
 
Drives: 2014 Chevy SS Join Date: Nov 2014
Location: San Antonio, TX
Posts: 277
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Quote:
KW
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1995 Impala SS -- Heads/Cam LS3
1996 Impala SS -- 398ci LL Solid Roller LT4 2014 Chevy SS --- 429ci Hydraulic Roller LS3 |
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06-18-2019, 06:30 AM
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#6 |
 
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,095
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I have headers and manifolds at home. Ill weigh them when I get there.
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06-18-2019, 06:51 AM
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#7 |
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IIRC I dropped about 14 - 16 pounds but that is catless
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2010 C6 JET STREAM BLUE
BOLT ONS TO THE EXTREME, GPI 281cc HEADS, Darth_V8r SPEC CAM, FAST 102 INTAKE, CRANK SCRAPER, QUARTER MASTER 7.25" CLUTCH, RPM 3.90 STAGE II DIF, Z51 Gear Set AND E85 Best ET 10.58 @ 131.8 stock heads and stock cam 453/445 SAE 10.62@134.82 GPI 281CC Heads, SS4 Cam and X1 Intake Best 1/8 6.80@105.75 Best MPH 134.82 |
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06-18-2019, 07:02 AM
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#8 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,095
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Long tube headers 26.6lbs
Factory manifolds 23.2lbs Headers have 145k miles on them. Manifolds have 10k miles on them. |
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06-18-2019, 07:08 AM
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#9 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,095
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Maybe someone has some cats to weigh. I dont have mine handy.
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06-18-2019, 09:00 AM
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#10 | |
Drives: 2010 2SS Coupe; 2011 2LT Vert Join Date: Dec 2018
Location: Prosper, TX
Posts: 458
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Quote:
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2010 2SS/RS LS3 - K&N, GM Performance Axle Back, Hurst Shifter, TSP 1 7/8ths long tubes no cats, TSP Stage 2 "Bald Eagle" cam, GM 3.91, 466whp/429tq
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06-18-2019, 09:19 AM
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#11 |
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Drives: 2010 2SS Coupe; 2011 2LT Vert Join Date: Dec 2018
Location: Prosper, TX
Posts: 458
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Bo - was the weight you listed per manifold or was it for the pair? My scale isnt the most accurate so I am not sure if I am in the ballpark or not.
I got 44lbs for both manifolds and cats all together. 13lbs for each manifold and 9lbs for each cat pipe. I used my crappy scale to compare when I did the swap to TSP 1 7/8 long tubes with offroad pipes at that time I came up with only 8lbs saved. Even if my scale isnt accurate, I cant imagine it being more than the 15lbs Lazer recalls though.
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2010 2SS/RS LS3 - K&N, GM Performance Axle Back, Hurst Shifter, TSP 1 7/8ths long tubes no cats, TSP Stage 2 "Bald Eagle" cam, GM 3.91, 466whp/429tq
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06-18-2019, 10:06 AM
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#12 |
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Keeper of “THE list”
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Maybe it is because the weight is distributed out further, but the stock manifolds felt WAY more heavy than my long tube headers. I was thinking that my headers combined felt as heavy as one stock manifold.
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06-18-2019, 11:52 AM
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#13 |
Drives: 2014 2SS/RS Join Date: Jan 2018
Location: Washington
Posts: 848
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stock manifolds with cats are heavier. Im guessing around 20-30 lb different like others have stated
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2014 2SS/RS LS3/M6
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06-18-2019, 12:01 PM
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#14 | |
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Quote:
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2010 C6 JET STREAM BLUE
BOLT ONS TO THE EXTREME, GPI 281cc HEADS, Darth_V8r SPEC CAM, FAST 102 INTAKE, CRANK SCRAPER, QUARTER MASTER 7.25" CLUTCH, RPM 3.90 STAGE II DIF, Z51 Gear Set AND E85 Best ET 10.58 @ 131.8 stock heads and stock cam 453/445 SAE 10.62@134.82 GPI 281CC Heads, SS4 Cam and X1 Intake Best 1/8 6.80@105.75 Best MPH 134.82 |
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