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10-29-2023, 03:56 AM
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#1 |
 Drives: 2014 SS 1le Join Date: Aug 2022
Location: California
Posts: 3
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2.5 vs 3 inch exhaust
Looking to get an x pipe for my n/a build what diameter is better for performance? 2.5 vs 3inch
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10-29-2023, 02:01 PM
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#2 |
 
Drives: 2010 Camaro 2ss/rs, 2008 Avalanche Join Date: Jan 2019
Location: Lake Pannasoffkee,Florida
Posts: 252
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Depends on what all your going to be adding, if your gonna cam and the usual items, definitely go with 3" all the way!
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2010 Rally Yellow 2ss/rs , M6 ,416ci , K1 rods & crank,weisco -3.0cc dome pistons,.040 head gasket, 11.5 compression,1 3/4" LT ,3" pipes w/x-pipe no cats, Cam Motion cam 239/247 113+3 .621"/604" lift , BTR .660 Platinum dual springs w/Titanium retainers, CAI . Stock ls3 heads,intake,injectors & TB. 515rwhp/500rwtq.
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10-30-2023, 10:44 AM
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#3 |
            
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,485
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^^^ Yes sir, what he says...
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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10-30-2023, 09:27 PM
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#4 |
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Drives: 2014 SS 1le Join Date: Aug 2022
Location: California
Posts: 3
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I have a cam & headers definitely porting the heads too
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10-31-2023, 12:01 AM
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#5 |
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Life's just a Ride
Drives: 2011 Synergy Camaro 2SS/RS LS3 Join Date: Oct 2013
Location: Columbia SC
Posts: 854
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Just got mine in Today, 100% Stainless all the way great crafting Quality, impressive Tig welding for under $1000.
Excuse my dirty floor, Dogs shading like crazy 
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2011 Synergy Camaro 2SS/RS Ls3, LTH, CAI Custom Intake, TSP stage-3 111-LSA Cam, RWHP 503/508  |
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10-31-2023, 12:28 AM
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#6 |
 Drives: 2012 SS Join Date: Dec 2021
Location: Florida
Posts: 406
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https://askmyauto.com/2-5-vs-3-inch-exhaust/
depends on your goals, usage of your car, money, etc. Article pretty much sums it up. if you are operating primarily in lower rpm range, generally, 2.5" is better but then it also depends on the upgrades and horsepower level of your motor. if you want more noise...3" financially, 2.5" cheaper.
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2012 Camaro SS
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10-31-2023, 05:50 AM
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#7 |
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2&THEHIT
Drives: 5th Gen Camaro; 5th Gen Ram 3500 Join Date: Mar 2018
Location: Garner, NC
Posts: 1,016
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For performance 3" will always be better
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