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Child Boards
No New Posts Perf: 2500 Specific Perfomance Mods
This area is for "the few, the proud ..." owners of the 2500 and their unique performance issues
6118 Posts
416 Topics
Last post by MS03 2500
on 08/09/16 11:05 pm
No New Posts Perf: Air Intakes Kits & Filters
One of the first and easiest performance mods you should make. Cold air intakes, FIPK and others.
10244 Posts
869 Topics
Last post by ygmn
in Re: Spectre CAI clamp wo...
on 06/03/16 05:58 am
No New Posts Perf: Drivetrain Brakes & Suspension
Transmission, differential, driveshaft upgrades for better performance. Suspension and Braking improvements for the performance crowd
10252 Posts
846 Topics
Last post by ygmn
in MOVED: 2003 AV Z66 shock...
on Yesterday at 12:02 pm
No New Posts Perf: Engine Computer
Everything about tuning the engine computer for more horsepower. From programmers and modules to custom computer software & programs. Tune your truck to your needs.
13347 Posts
1000 Topics
Last post by ohiobellboy
in Re: Diablo Predator Spor...
on Today at 07:49 pm
No New Posts Perf: Exhaust
Lets get the air out of the engine now. Information about exhaust, cat back systems, shortie headers, medium and long tube headers, mufflers, tips & etc..
20315 Posts
1743 Topics
Last post by Maniac
in Shorty
on 07/28/16 02:37 pm
No New Posts Perf: Forced Induction
Serious horsepower, serious money. Turbochargers, Superchargers & Nitrous.
9761 Posts
383 Topics
Last post by JohnnieMo
in Re: Towing with a superc...
on 06/30/16 10:03 am
No New Posts Perf: Ignition & Engine
Performance mods to the ignition system. Includes Plugs wires and coils. Engine mods include heads, valves, rockers, coolant system etc
9419 Posts
634 Topics
Last post by JVZL1
in Re: 5.3 replacement
on Today at 10:06 pm
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0 Members and 1 Guest are viewing this board.
READ THIS BEFORE YOU POST HERE! goo929 0 7134 Last post 09/19/02 11:32 am
by goo929
Best bang for the buck « 1 2 3 4  All » Vonderbach 77 33334 Last post 08/31/15 10:15 am
by Danielcondron
First Time Avalanche Fan... 03z66 10 2027 Last post 05/13/03 05:22 pm
by Castaway
Performance Mods! 04AvGuy 4 234 Last post 06/27/16 11:25 am
by enoniam
how to burn out?? « 1 2 3 4 5  All » 04avZ71 105 61144 Last post 02/10/15 12:23 pm
by 09chevyavy
$250 Bonus, What To Do? 3BAV 2 1206 Last post 02/02/03 04:26 am
by Capecruis8der
what next? 95highline 11 4366 Last post 01/20/09 12:07 pm
by JJsnowking
What did you do to get a Better Handling AV? 9mileCatDaddy 8 2211 Last post 02/04/07 08:55 am
by 9mileCatDaddy
Improving MPG for the AV « 1 2  All » aetatis 43 15145 Last post 02/29/04 12:58 am
by SciX
WBH vs. Cladded AV weight aetatis 20 6098 Last post 04/14/04 06:04 pm
by BensonRacing
Is this BS or what? ajhartman 8 2397 Last post 07/15/06 04:34 pm
by FutureLanche
Newbie Acceleration Questions Allen42 21 3900 Last post 09/12/02 02:15 pm
by Blueruck
Long and Slow or Fast and Hard.. « 1 2  All » amd1900mp 34 5359 Last post 07/02/07 05:09 pm
by FlaBouy
Just Picked Up My Truck amtg4u 1 1136 Last post 09/15/02 04:59 am
by amtg4u
Fuel Pump amtg4u 4 1421 Last post 05/13/04 09:13 pm
by Butch
More POWER! amtg4u 6 1868 Last post 07/18/04 01:55 am
by Desert Rat
MPG difference after exhaust and intake AndyLanche03 2 1903 Last post 01/27/06 06:05 pm
by AndyLanche03
Drag raced the AV this weekend! ARMYtango 7 2571 Last post 03/21/12 05:46 am
by ARMYtango
catbacks or cold air intake? arrivalbluez66 7 2829 Last post 09/01/04 04:40 am
by Wvusquatch
Chevy Dealers Add Go-Fast Accessories ASAGOT 6 2608 Last post 06/24/03 05:43 pm
by zeeya2000
TBYRNE MOTORSPORTS Does Not List AVALANCHE ASAGOT 6 1253 Last post 08/04/03 03:05 am
by colonelmotox
looking for upgrades cam headers supercharger help??? AtabeyK 3 2550 Last post 09/17/08 04:23 pm
by Prime Power
Bang for the Buck Mod Av In Ak 7 1759 Last post 07/29/03 07:31 am
by chevylover
HELP!! WANT more power!! « 1 2  All » Avalanche 1500 37 5335 Last post 11/22/13 02:13 pm
by RB`s 2010 AV
Help me out Wanna spin rear tires Avalanche-Kid 21 5816 Last post 12/23/06 04:54 pm
by Raceman
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