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08-10-2010, 09:02 PM
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#1 |
 
Drives: Black 2SS/RS LS3 Join Date: Feb 2010
Location: Canada
Posts: 265
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high flow cats exhaust leak question
I just installed some high flow cats and was wondering how to tell if there is any exhaust leaks? also anyone have any banging against tunnel brace on LS3, I couldnt check it out as it was dark when I went to try them out.
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08-10-2010, 09:08 PM
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#2 |
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"Silver Street"
Drives: 2010 2SS/RS L99 Join Date: Oct 2009
Location: Franklin, TN
Posts: 707
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I still have the stock exhaust system on my 2 month old Camaro and it bangs the tunnel brace. I haven't bothered to get the dealer to fix it because I am replacing the entire exhaust from end to end soon.
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Silver Street - 2010 Camaro 2SS/RS, SIM, Gray, Cyber Gray Rally Stripes, Polished Wheels, Automatic (L99) - 553 RWHP/510 RWTQ
CAI Inc., ARH LT Headers with Cats, Borla Touring Cat-Back; Pfadt Coil Overs, Sway Bars, End Links, and Trailing Arms; Comp Cams Blower Cam, Dual Springs, Push-Rods, and Lifters; GM LS2 Lifter Trays, 6.2 MLS Head Gaskets, Crank Bolt, and LS2 Front Cover; 3-Bolt Conversion Timing Gear, Katech C5R Timing Chain, ARP LS2/LS3 Head Bolt Kit, Melling Hi Volume Oil Pump, TVS 2300 Supercharger (Black); Build by Vengeance Racing; Custom Tune by Vengeance Racing |
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08-10-2010, 09:33 PM
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#3 |
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12.23s@113mph
Drives: 2SS/RS, A6, just a few bolt ons Join Date: Jul 2009
Location: Houston, TX
Posts: 1,197
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if it is really loose, then you might here a whistling sound.
if it is only slightly leaking, then after a few hundred miles you will see some black soot gathering around the connections. if you made the connection straight and torqued to specs, you shouldn't have any problems.
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 RIP Cammie 7/15/2009 - 4/1/2011 |
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