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07-18-2012, 07:29 AM
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#1 |
 
Drives: 2011 Camaro 2SS L99 Join Date: Jun 2011
Location: Texas
Posts: 301
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Inside Cabin Drone
Question or better yet your opinion,
I have TSP long tube headers, high flow cats, corsa x-pipe, and the GMPP axle back. Car sounds great but at a little under 2K RPM there is a loud drone or "humming" inside the car. Is this because of my automatic or is this because of my x-pipe or axle back? Under throttle car sounds great. It is just when cruising at a steady speed a little under 2K RPMS. AFM has been turned off.
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2011 Camaro 2SS L99 A6
Rotofab CAI w/ race scoop TSP Long tube headers w/ high flow cats and full x-pipe GMPP axle back exhaust system Custom Dyno tune by ARD (Advanced Racing Dynamics) BMR 1.4" Springs all four corners "There is no replacement for displacement"  |
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07-18-2012, 07:30 AM
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#2 |
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knows 2 facts about ducks
Drives: ...and they're both wrong Join Date: Aug 2009
Location: The HMS Invincible
Posts: 25,072
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it's the axle back, x-pipe, and headers. Just get some J-pipes (Solo sells a weld on set) and that'll take care of the drone
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07-18-2012, 08:43 AM
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#3 | |
Drives: Florida Speed & Power Join Date: Jan 2011
Location: Pinellas Park, FL
Posts: 3,185
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07-18-2012, 08:57 AM
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#4 | |
         
Drives: 2010 Camaro SS LS3 Join Date: Sep 2010
Location: Eastern MO
Posts: 3,786
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Quote:
Yup
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 She is only memory now. |
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07-18-2012, 09:15 AM
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#5 |
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Account Suspended
Drives: SS/RS Join Date: May 2010
Location: Transplanted from NYC..(ret. NYPD).Now in CT
Posts: 904
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any one have a pic of that set up
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07-18-2012, 10:36 AM
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#6 | |
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LS3 Black Widow
Drives: 2012 45th 2SS LS3 and 1968 Mustang Join Date: Nov 2011
Location: Madison, GA
Posts: 4,557
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Quote:
 Not my cars but you get the picture. It's hidden behind the rear diffuser.
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07-18-2012, 10:51 AM
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#7 |
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We've been waiting to help you for a long time.
http://www.camaro5.com/forums/showthread.php?t=102075 |
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07-18-2012, 02:09 PM
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#8 | |
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Blowin the doors off!
Drives: A 2013 SS RS 6M SR Join Date: Apr 2010
Location: Phoenix, AZ
Posts: 2,390
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Quote:
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 2G1FS1EWXD9163847 |
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07-18-2012, 02:20 PM
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#9 |
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Search Ninja
Drives: 2010 Black 2SS/RS A6 Join Date: Oct 2009
Location: Central Ark
Posts: 7,183
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If you want the less hassle way, swap out the GMPP axleback for a Dynomax VT axleback and call it a day. You can then sell your axleback to recoup some of the cost.
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2010 Black 2SS/RS A6
Halltech CF 102 fed GPI modded intake manifold Bo (knows) White ported TB Kooks LT's/ Dynomax VT Pfadted (springs/sways) Dyno tuned by Rhino and GPI I once parallel parked a train. |
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07-19-2012, 01:09 PM
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#10 |
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2010 Camaro 2SS LS3
Drives: 2010 Camaro 2SS LS3 Join Date: Dec 2011
Location: Kingwood, Texas
Posts: 164
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Easy fix: Speed up!
 I have TSP headers on 3" magnaflow, it drones pretty hard too.
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 | TSP Headers | Magnaflow | CAI | LMR Tune | BC Racing | Pfadt Sways | |
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07-19-2012, 07:49 PM
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#11 |
Drives: 2010 2ss/rs M6 Join Date: Nov 2010
Location: Il
Posts: 931
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I have the TSP with no cats and muffler deletes!! Yours cant be that bad. I forgot to mention a decent sized cam too. I'm looking around to see what I could do to put mufflers on and still keep the 5" tips on my muffler deletes. I don't want to put any cats on.
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07-19-2012, 10:33 PM
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#12 |
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Drives: 2012 45th anniversary Join Date: Apr 2012
Location: Currently in Corpus Christi Texas
Posts: 363
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Well all i know about this issue is put the j pipes on!!! I just finished doing mine and wow what a difference!!! I made them 28 inches long and just whatever shape i could fit in the space i have and holy crap if i could find mr helmholtz chamber (j-pipe) inventor guy i would owe him a hand shake and few beverages of his choosing cause my car is more enjoyable to drive now! It is also i think quieter in the cabin than it was stock at some rpm levels!!!
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07-20-2012, 11:20 AM
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Blowin the doors off!
Drives: A 2013 SS RS 6M SR Join Date: Apr 2010
Location: Phoenix, AZ
Posts: 2,390
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Quote:
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2G1FS1EWXD9163847 |
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07-20-2012, 12:00 PM
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#14 |
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Drives: 2012 45th anniversary Join Date: Apr 2012
Location: Currently in Corpus Christi Texas
Posts: 363
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It also seemed to change the cabin sound overall for the better... From idle to atleast 4-4500 which is about as fast as i have chosen to spun it so far.
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