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Old 06-27-2009, 08:49 AM   eBay Motors  #1 (permalink)
 
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2003 6.6 Turbo Noise

Should I be able to hear the turbo on my 2003 2500HD? I'm beginning to think I don't have the power this truck should have and am suspecting the turbo. I've never heard it. Any help on the topic is appreciated.
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Old 06-27-2009, 08:49 AM   eBay Motors  #2 (permalink)
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mine whistles like a jet.
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Old 06-27-2009, 08:51 AM   eBay Motors  #3 (permalink)
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i have an 03 lb7 and i can hear mine but its not as loud as i wish!! what all do you have done to your truck? ''fill out your signature so everybody will know and can help ya better!!!
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Old 06-27-2009, 08:53 AM   eBay Motors  #4 (permalink)
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i do wish mine was louder, but i have an intake and exhaust and can hear mine good. Expecialy cruising and going down the road next to buildings it sounds sweet. I dont think the turbo is that loud in the cab stock though
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TRUCK: 2003 Silverado 2500HD, Ext Cab, Short Bed
TUNER:Quadzilla On 90Hp
EXHAUST:4 Inch Straight Pipe,
INTAKE:K&N CAI With Amsoil Filter And Intake Horn Mod
WHEELS:18 Inch Ultra 248 (Black)
TIRES:285/65/18 Nitto Terra Grapplers
EXTERIOR:Blacked Out Bumpers and Black Diamond Plate Tool Box With Black Bow Tie, Black Nerf Bars. 06 Style Tow Mirrors, De-Badged
SOLD
2006 Chrysler 300c Hemi STOCK!!!!
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Old 06-27-2009, 08:55 AM   eBay Motors  #5 (permalink)
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i know mine wasnt for sure!!! i know if i got an intake it would be alot better! i do have a PPE increase valve for the boost and it help alot!!!!
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Old 06-27-2009, 08:56 AM   eBay Motors  #6 (permalink)
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No, it will not be loud, almost non-existant on a stock truck. An after market intake, exhaust, etc will help that out a good deal... But it still will not sound like a Cummalong or a Furd...
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Old 06-27-2009, 08:57 AM   eBay Motors  #7 (permalink)
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i deleted the other thread since this is the proper place to ost this question!..
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Old 06-27-2009, 09:00 AM   eBay Motors  #8 (permalink)
 
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Ok, I added some info to the signature. But yes it's all stock, no upgrades. I just hear you guys talking about power and have not been to impressed with my truck. Bought it used with 95,000 miles and I have no other experience with these engines. Seems to run and idle fine. Mileage averages about 15 back and forth to work. I don't push it. Pulling 20' travel trailer at 65 mph in tow/haukl mode gets me about 10mpg. I think I have a problem just not sure where to start.
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Old 06-27-2009, 09:16 AM   eBay Motors  #9 (permalink)
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i would have the injectors check to be sure they are good,GM has them under a 200,000mile/7yr warranty!.
here are a few options,do a 4" 409SS exhaust and a different air intake from either AFE,AirAid,Volant or Banks then do a programmer to add a lil power..i have seen quite a few gain up to 5MPG over stock with these mods!
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Old 06-27-2009, 09:19 AM   eBay Motors  #10 (permalink)
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you could get a 5" if you want it to be louder
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