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09-03-2018, 06:15 PM
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#1 |
 
Drives: 2011 Camaro 2SS/RS L99 Join Date: Aug 2013
Location: Detroit, MI
Posts: 659
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Need aftermarket tunnel brace with clearance??
HI guys, so I've been dealing with this awful rattle for weeks and i was able to figure out it was my resonator (L99) hitting against the tunnel brace, i removed the tunnel brace and now no rattle! However from reading through the forums it seems it is needed, so does anyone know of an aftermarket tunnel brace that has some clearance on it and wont rattle?? I heard the BMR one might have more clearance?? Also disclaimer i removed all the heatshielding around my resonator already.
Thanks friends!!
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 Stainless Power Headers, High Flow Cats, CAI intake, SLP Loudmouth 1 exhaust, Dyno tune from Alternative Performance |
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09-03-2018, 06:21 PM
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#2 |
   
Drives: 2013 1SS 1LE Join Date: Jun 2016
Location: Ixonia wi
Posts: 1,456
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I've heard many that left it off. I am in the process of putting a full 3" exhaust on and plan on leaving the brace off...
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2013 1le- Katech 416 short block, TSP custom grind cam, LOD intake, cnc heads by F.ED., Nick William's 102mm T.B., CORN fed, Pedders coilovers. Performance street alingnment by Justin at Lake Country Alignment and dyno tune by Late Model Throttle.
603 h.p. 495 ft lbs tq. |
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09-03-2018, 06:33 PM
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#3 |
Drives: 2011ss/rs camaro Join Date: Sep 2011
Location: florida
Posts: 1,261
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Loosen the clamps,lift the pipes,tighten the clamps. The design is for it to fit without touching.
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 . OBX LTH,Rotofab,Magnuson Heartbeat.AEM wideband, HP Tuners |
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09-03-2018, 06:34 PM
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#4 |
  
Drives: 2011 2SS/RS M6 Join Date: Oct 2015
Location: Utah
Posts: 1,940
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Remove the resonators. Add some washers. Adjust the exhaust. Take your pick.
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09-03-2018, 07:10 PM
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#5 |
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'It's an experiment'
Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014
Location: Dallas TX
Posts: 8,694
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Washers worked when I had that... Now have a Hotchkis brace...
-Don
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747 RWHP 794 RWTQ
"Horsepower sells cars, torque wins races." - Enzo Ferrari See My Build: http://www.camaro5.com/forums/showthread.php?t=385577 |
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09-03-2018, 08:45 PM
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#6 |
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Boosted Moderator
Drives: Bone Stock LS3 Join Date: Sep 2009
Location: Marion Tx
Posts: 15,492
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Not that it's up as a debate point, but I took mine off years ago... 3.5 inch exhaust and 2K RWHP, driving the crap out of it and no issues.... I took most of the heat insulation out as well.... I only left the piece where the tunnel turns up at the firewall....
Obviously GM put it there for a reason, but I've had no issue without it....
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If the car feels like it is on rails, you are probably driving too slow. -Ross Bentley
Horsepower is how fast you hit the wall. Torque is how far you take the wall with you. “If everything seems under control, you're just not going fast enough.” Mario Andretti If you can turn, you ain't going fast enough... |
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09-03-2018, 08:52 PM
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#7 |
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Boosted Moderator
Drives: Bone Stock LS3 Join Date: Sep 2009
Location: Marion Tx
Posts: 15,492
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Here is the ones I know of though....
https://www.southerncarparts.com/201...hoCrL8QAvD_BwE https://www.southerncarparts.com/201...xoCaHYQAvD_BwE https://www.lmperformance.com/53805/...hoCCq4QAvD_BwE https://www.ebay.com/p/2010-2015-Cam...2774183&chn=ps https://www.ss396.com/camaro/UMI-250...RoC3kYQAvD_BwE https://www.ebay.com/p/Umi-Performan...2560832&chn=ps
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If the car feels like it is on rails, you are probably driving too slow. -Ross Bentley
Horsepower is how fast you hit the wall. Torque is how far you take the wall with you. “If everything seems under control, you're just not going fast enough.” Mario Andretti If you can turn, you ain't going fast enough... |
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09-03-2018, 09:48 PM
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#8 |
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Banned
Drives: Camaro Join Date: Aug 2018
Location: Ohio
Posts: 54
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Havnt had mine for at least 5 years if not longer
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09-04-2018, 12:44 AM
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#9 |
     
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,019
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Mine has been off for almost 5 years and over 120k miles
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09-04-2018, 06:08 AM
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#10 |
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Have to check carefully for clearances, and adjust resonator, pipes, etc accordingly with at least 1/4" clearance. Also used a few washers on the brace spanner bar to get more clearance. Tap or ping any heat shielding to check for rattles and kink, bend as required until there is no rattle. It's amazing how much noise a small exhaust interference or heat shield rattle can make, and these make you think there is some suspension issue.
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09-04-2018, 07:53 AM
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#11 |
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Drives: 2011 Camaro 2SS/RS L99 Join Date: Aug 2013
Location: Detroit, MI
Posts: 659
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Thank you for the advice guys!
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Stainless Power Headers, High Flow Cats, CAI intake, SLP Loudmouth 1 exhaust, Dyno tune from Alternative Performance |
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09-04-2018, 04:59 PM
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#12 |
 
Drives: 2018 2SS M6 Redline Join Date: Oct 2014
Location: United States
Posts: 431
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I've read that if you take it off, insurance can that brace as an excuse to not pay out if your vehicle gets totaled, but not sure how much of that is true. I myself have the resonator sitting on the brace but am not experiencing any kind of rattling from that area.
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09-04-2018, 05:13 PM
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#13 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,019
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I remember having to take the Z braces off my 2nd gens for LT headers. Wonder how many did that.
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09-04-2018, 05:21 PM
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#14 |
Drives: 2015 1LE Join Date: Oct 2015
Location: Cleveland, OH
Posts: 1,485
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just add washers between the brace and the car, done deal!
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