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07-02-2020, 10:16 AM
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#1 |
 Drives: 2011 l99 Join Date: Aug 2012
Location: Ames, Iowa
Posts: 305
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exhaust clearance
I have a 2011 SS that I have a hybrid Stainless Works exhaust on. I'm having clearance issues where the pipes come together where the bolt in cross brace bolts in the center of the car. Is this cross brace that necessary as when I leave it out the rattling goes away. I'm thinking I know what guys are going to say but just looking for opinions.
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07-02-2020, 10:25 AM
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#2 |
 Drives: 87 Corvette & 2010 SS Camaro Join Date: Feb 2020
Location: Robinson Tx.
Posts: 29
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Doesn't it hold up the tail of the trans ?
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07-02-2020, 11:37 AM
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#3 |
Drives: 2011 Camaro 2SS/RS Join Date: Feb 2020
Location: Milford, CT
Posts: 43
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If you're talking about that flat brace under the car that goes from one side to the other and is held on by 4 bolts just leave it off. I have a Kooks exhaust and was told to leave it off and have had no issues. If you want a brace in that location BMR makes a brace that steps down a little bit to clear aftermarket exhausts.
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L99 to LS3, Whipple 2.9 Blower with 3.750 pulley, ID1050x injectors, JRE Rough Idle Blower Cam, BTR Bronze Bushing Trunnion Kit , JRE/BTR .660 Springs, BTR Pushrods, Melling High Volume Oil Pump, ZL1 Fuel Pump, JRE FPCM, JMS BAP, JRE 90MM Ported Throttle Body Circle D 3200 Stall Converter, Ceramic Coated Kooks Long Tubes, Kooks Full Exhaust with Hi Flow Cats, Cold Air Inductions Intake With JRE Scoop, JRE Built Rear Differential with Billet Caps, 3:91 Gears and Eaton TrueTrac Posi, JRE Dyno Tune, Moroso Wires, Moroso Catch Can, Factory Reproductions Gloss Black ZL1 Wheels. 659WHP/566TQ
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07-02-2020, 12:36 PM
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#4 |
 Drives: Blaze Red 2014 2SS/RS Join Date: Sep 2016
Location: WV
Posts: 85
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Or you could just buy some washers and shim the factory brace down....
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07-02-2020, 01:03 PM
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#5 | |
          
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,570
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Quote:
The BMR cross brace is around $50, so it's not very expensive either.
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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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07-02-2020, 01:51 PM
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#6 |
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Drives: 2010 Camaro SS/RS Join Date: Mar 2014
Location: somewhere in MD
Posts: 4,883
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I think the brace is there in case of a side impact so you might want to keep it.
Use washers or buy a brace that has extra clearance for 3” pipes. If you have a 2.5” catback then you shouldn’t need washers or a new brace
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2010 2SS/RS
Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53 |
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07-02-2020, 02:46 PM
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#7 | |
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Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,570
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Quote:
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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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07-02-2020, 05:25 PM
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#8 |
  
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,417
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I originally had mine shimmed with flat washers to clear my 3" exhaust but then bought the BMR brace to replace it and it looks really nice up under there.
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07-10-2020, 01:54 PM
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#9 |
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Drives: 2010 camaro ss 2ss Join Date: Aug 2019
Location: Ontario
Posts: 8
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I installed an mbrp 3" cat back and it came with a plate that was a step down for clearance
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07-10-2020, 06:01 PM
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#10 |
Drives: 2010 Inferno Orange 2SS/RS Join Date: Apr 2010
Location: Clermont, IN
Posts: 3,297
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I just shoved a chunk of heavy rubber in there. Cut up an old sanding block.
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2010 Inferno Orange 2SS/RS M6 Black Leather, Sun Roof, OBX Headers, Borla touring axle back, Cold Air Inductions CAI , non synthetic fluids, BMR total bushing upgrade/1" lowering springs, DSE 32mm rear sway bar. GM fe4 shocks/struts/LCA's, AAM 3.91 diff, Vertini RFS1.8 20x9 +30. Conti ExtremeContact Sport 275/35/20. sjm autoprod ABL dash kit. Mike Norris tuned 413/419.
Avenging Orange: 43 years of not buying into the Hype........and damn proud of it!! https://youtu.be/9JD9it6SmB8 https://youtu.be/xmelTlEzI34 KICKING CANCERS ASS SINCE 2015!! |
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07-10-2020, 06:21 PM
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#11 |
Drives: 2SS/RS Join Date: Sep 2008
Location: Western North Carolina
Posts: 7,182
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I have ARH long tubes and 3" cat back and mine cleared no problem. If it's hitting, loosen the flange bolts of the exhaust, push up on the exhaust and re-tighten. There's plenty of room for a 3" exhaust to fit.
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07-11-2020, 06:07 AM
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#12 |
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Scott's45
Drives: 2012 2SS 45th Anniversary Join Date: Mar 2012
Location: New Hampshire
Posts: 557
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pretty sure my stainless works exhaust came with thick washers to solve this problem, it was part of the kit.
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2012 2SS 45th Anniversary, Hurst short throw shifter, Stainless Power LT headers, high flow cats, SW Retro Chambered 3" cat back, CAI, Heritage grill, tinted windows, red/silver hash stripes, AAC LED sidemarkers, blacked out turn signals/tail lights, splash guards. 402RWHP
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