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Perf: 2500 Specific Perfomance Mods

This area is for "the few, the proud ..." owners of the 2500 and their unique performance issues

6,197 Posts
424 Topics
Last post by ckeene
in Re: Samco Silicone Hoses...
on 03/29/18 02:55 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.

10,264 Posts
870 Topics
Last post by Jwh91
in Re: Read this before you...
on 04/03/18 07:57 PM
No New Posts

Perf: Drivetrain Brakes & Suspension

Transmission, differential, driveshaft upgrades for better performance. Suspension and Braking improvements for the performance crowd

10,434 Posts
866 Topics
Last post by Z66Modder
in Re: GMT800 to GMT900 Bra...
on 04/12/18 09:53 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.

13,397 Posts
1,006 Topics
Last post by redheadedrod
in Re: Macchina M2 Vehicle ...
on 03/27/18 05:41 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..

20,362 Posts
1,752 Topics
Last post by enoniam
in Re: Possibly stupid ques...
on 04/21/18 01:34 PM
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Perf: Forced Induction

Serious horsepower, serious money. Turbochargers, Superchargers & Nitrous.

9,809 Posts
387 Topics
Last post by Jwh91
in 2005 5.3, MAF 215-ish g/...
on 04/11/18 09:40 PM
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

9,654 Posts
646 Topics
Last post by JVZL1
in Re: What year lq9 motor ...
on 04/18/18 05:05 PM
Whether it's the 5.3 or the 8.1 share tips and tricks on how to boost horsepower, torque, and smoke the competition.
Pages: [1] 2 3 4 5 ... 13   Go Down
  Subject Started by Replies Views Last post
0 Members and 2 Guests are viewing this board.
READ THIS BEFORE YOU POST HERE! goo929 0 7,768 Last post 09/19/02 11:32 AM
by goo929
Best bang for the buck « 1 2 3 4  All » Vonderbach 80 43,504 Last post 04/07/18 01:34 AM
by Jwh91
First Time Avalanche Fan... 03z66 10 2,422 Last post 05/13/03 05:22 PM
by Castaway
Performance Mods! 04AvGuy 5 1,681 Last post 01/28/17 01:20 PM
by Z66Modder
how to burn out?? « 1 2 3 4 5  All » 04avZ71 105 87,233 Last post 02/10/15 11:23 AM
by 09chevyavy
$250 Bonus, What To Do? 3BAV 2 1,414 Last post 02/02/03 03:26 AM
by Capecruis8der
what next? 95highline 11 4,975 Last post 01/20/09 11:07 AM
by JJsnowking
What did you do to get a Better Handling AV? 9mileCatDaddy 8 2,566 Last post 02/04/07 07:55 AM
by 9mileCatDaddy
Improving MPG for the AV « 1 2  All » aetatis 43 20,204 Last post 02/28/04 11:58 PM
by SciX
WBH vs. Cladded AV weight aetatis 20 8,382 Last post 04/14/04 06:04 PM
by BensonRacing
Is this BS or what? ajhartman 8 2,798 Last post 07/15/06 04:34 PM
by FutureLanche
Newbie Acceleration Questions Allen42 21 4,777 Last post 09/12/02 02:15 PM
by Blueruck
Long and Slow or Fast and Hard.. « 1 2  All » amd1900mp 34 6,791 Last post 07/02/07 05:09 PM
by FlaBouy
Fuel Pump amtg4u 4 1,671 Last post 05/13/04 09:13 PM
by Butch
Just Picked Up My Truck amtg4u 1 1,360 Last post 09/15/02 04:59 AM
by amtg4u
More POWER! amtg4u 6 2,161 Last post 07/18/04 01:55 AM
by Desert Rat
MPG difference after exhaust and intake AndyLanche03 2 2,235 Last post 01/27/06 05:05 PM
by AndyLanche03
Drag raced the AV this weekend! ARMYtango 7 3,626 Last post 03/21/12 05:46 AM
by ARMYtango
catbacks or cold air intake? arrivalbluez66 7 3,395 Last post 09/01/04 04:40 AM
by Wvusquatch
TBYRNE MOTORSPORTS Does Not List AVALANCHE ASAGOT 6 1,644 Last post 08/04/03 03:05 AM
by colonelmotox
Chevy Dealers Add Go-Fast Accessories ASAGOT 6 2,890 Last post 06/24/03 05:43 PM
by zeeya2000
looking for upgrades cam headers supercharger help??? AtabeyK 3 3,306 Last post 09/17/08 04:23 PM
by Prime Power
Bang for the Buck Mod Av In Ak 7 2,131 Last post 07/29/03 07:31 AM
by chevylover
HELP!! WANT more power!! « 1 2  All » Avalanche 1500 37 9,276 Last post 11/22/13 01:13 PM
by RB`s 2010 AV
Help me out Wanna spin rear tires Avalanche-Kid 21 7,759 Last post 12/23/06 03:54 PM
by Raceman
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