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10-20-2009, 06:58 PM
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Jr. Mechanic
Join Date: Sep 2009
Location: Concord, NC
Posts: 119
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Aftermarket Exhaust Without Drone / Resonance
I recently purchased my '07 NBS Silverado crew cab 5.3 litre. It is bone stock. I have GRAND PLANS to upgrade and modify!! One of my first projects will be to upgrade the CAI and Exhaust, and then tune. The one thing that I don't want to do is repeat the problem that I had with my previous Hummer H3. I installed a Magnaflow catback system. The quality, fitment AND price were excellent. The drone / resonance inside the cabin was horrible especially at low RPMs. I searched a little and found some information, but I thought it would be a good idea to start a new post and generate some discussion about the various systems and how they rate as far as in-cabin noise. I'm sure ALL of the systems sound great outside the truck, but are you satified with the interior sound?
Thanks in advance for your input!! 
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Mark 2007 Black Silverado LTZ Z71 4x4 Crew Cab, 5.3 , GM 6" Oval Steps, Rough Country 2" Level More to come...Stay tuned!!  
Last edited by MAsZ71; 10-20-2009 at 08:01 PM.. |
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10-20-2009, 07:08 PM
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Legend
Join Date: Feb 2008
Location: Red Wing, MN
Posts: 2,237
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My magnaflow was the same way for my beast, it rotted off in only three years so when i got new exhaust i went with a flo-pro muffler and love it. Better seat of the pants feel, no drone and a way better sound, and half the price!!!!
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99 K1500 Suburban LT "The Beast" 5.7 K&N & True Dual Exhaust Hypertech III BFG AT 285/75/16 ___________________________ Jason |
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10-20-2009, 07:11 PM
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Sr. Apprentice
Join Date: Oct 2009
Location: Jacksonville, Florida
Posts: 57
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Here is my Super 40 Series Cat-back Dual Exhaust.
Idle with Rev  Start up 
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Charles  2008 Chevy Silverado Z71 4x4 Crew Cab 6" Pro Comp Suspension Lift 20" Pro Comp Alloys 35" Pro Comp Extreme A/T Flowmaster Super 40 Series Dual Exhaust Smitty Built Nerf Bars 10% Window Tint |
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10-20-2009, 07:51 PM
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#4 | ||||||||
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Sr. Apprentice
Join Date: Mar 2009
Location: Reidsville N.C
Posts: 51
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I had a flowmaster i had it switched out for a flo-pro its great sounds good outside quiet inside
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GROCERYMAN 04 Silverado 2500HD LT Crewcab Flowmaster dual exhaust Extang toolbox tonneau cover Billet grill insert Chrome bowtie |
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10-20-2009, 08:28 PM
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Sr. Engineer
Join Date: Jun 2008
Location: Brookfield, Ct.
Posts: 470
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No drone with the corsa exhaust! Www.corsaperformance.com thats what i got and i couldn't be happier!
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 2008 Chevrolet Silverado 1500 LTZ 5.3L EC/Std Bed 4x4 Flexfuel Full Metal Jacket Spray on Bed Liner Black Diamond Plate Weatherguard Tool Box Corsa Performance Sport Exhaust System K&N Flat Panel Air Filter Chrome Painted Tow Hooks Billet front bowtie Rear Bowtie Delete Blue strobe grille lights (hardwired) Blue L.E.D. Flashing Dash Lights(12v accessory plug) |
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10-20-2009, 08:32 PM
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Jr. Mechanic
Join Date: Sep 2009
Location: Concord, NC
Posts: 119
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Quote:
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10-20-2009, 08:39 PM
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#7 | ||||||||
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Sr. Engineer
Join Date: Jun 2008
Location: Brookfield, Ct.
Posts: 470
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Oh yea! Lol i like to promote the products i use because i like to support the company and bring them business!
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2008 Chevrolet Silverado 1500 LTZ 5.3L EC/Std Bed 4x4 Flexfuel Full Metal Jacket Spray on Bed Liner Black Diamond Plate Weatherguard Tool Box Corsa Performance Sport Exhaust System K&N Flat Panel Air Filter Chrome Painted Tow Hooks Billet front bowtie Rear Bowtie Delete Blue strobe grille lights (hardwired) Blue L.E.D. Flashing Dash Lights(12v accessory plug) |
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10-20-2009, 08:52 PM
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#8 | |||||||||
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Jr. Mechanic
Join Date: Sep 2009
Location: Concord, NC
Posts: 119
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Quote:
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10-21-2009, 07:51 AM
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#9 | ||||||||
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Jr. Mechanic
Join Date: Sep 2009
Location: Concord, NC
Posts: 119
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I had Borla exhaust on a C5 Corvette. Nice quality system. Anyone here have a Borla system on their truck?
I also had a B&B Exhaust (Billy Boat) on a different Corvette. How about their truck version? |
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10-21-2009, 08:21 AM
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Legend
Status:
 Join Date: Feb 2009
Location: Greencasle,PA
Posts: 1,034
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I've commented on this a few times already, I've had 2 Gibson systems and in both applications (5.7L and 5.3L) there was no cabin drone at cruising speed. They have a nice rumble at acceleration and at wide open throttle it roars!
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Adam  2005 Z71 Silverado Crew Cab Volant Cool Air Intake Gibson catback exhaust GM CK948 Rims GM side steps GM chrome grille shell AVS chrome hood protector chrome door & tailgate handles Line-x bed liner Tonneau cover Pro Comp Leveling Kit (Torsion Keys) Cooper Discoverer H/T Plus 305/50/20 previous: '97 Chevy Suburban LT '94 GMC Sierra SLE |
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