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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

6,200 Posts
424 Topics
Last post by more.power
in Re: 02 Av 2500 lowering
on 06/04/18 06:50 AM
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.

10,273 Posts
873 Topics
Last post by Dmartin411
in Re: Back in an avalanche...
on 08/07/18 03:34 PM
No New Posts

Perf: Drivetrain Brakes & Suspension

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

10,454 Posts
870 Topics
Last post by buickwagon
in Re: GMT800 to GMT900 Bra...
on 08/05/18 06:35 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.

13,399 Posts
1,007 Topics
Last post by MS03 2500
in Re: New 2008 chevy avala...
on 08/09/18 11:21 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
No New Posts

Perf: Forced Induction

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

9,820 Posts
388 Topics
Last post by SRFNSNO
in Re: Suggestions for a sh...
on 08/03/18 05:53 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

9,679 Posts
649 Topics
Last post by Just4Kixx
in Re: 6.0 swap into 2004 A...
on 08/01/18 03:18 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 1 Guest are viewing this board.
Best bang for the buck « 1 2 3 4  All » Vonderbach 80 44,778 Last post 04/07/18 01:34 AM
by Jwh91
READ THIS BEFORE YOU POST HERE! goo929 0 7,847 Last post 09/19/02 11:32 AM
by goo929
what have you done to improve your MPG? « 1 2 3  All » jplumer 61 50,474 Last post 04/11/18 09:53 PM
by Jwh91
Fastest Avalanche list (track times) « 1 2 3 4 5 ... 17  All » KY_BOB 401 135,992 Last post 09/17/17 07:45 AM
by DrX
So looking to build my '03 into a (semi) monster... redheadedrod 0 462 Last post 02/15/17 04:55 PM
by redheadedrod
100 horse more at the wheel? jwylde7 10 3,123 Last post 02/05/17 11:26 AM
by groo
Performance Mods! 04AvGuy 5 1,858 Last post 01/28/17 01:20 PM
by Z66Modder
Best WARRANTIED engine/torque/go fast mods for 07 and up???? Hanz Groober 9 4,385 Last post 01/25/17 10:00 PM
by XSKIER
New Avalanche Arrived, Time To Begin 6.0L Conv.! « 1 2 3  All » Jason_@_TX_Speed 58 14,795 Last post 06/07/16 08:04 AM
by igotzzoom
Just Getting Started EWD 0 757 Last post 04/20/16 11:03 AM
by EWD
some mods I got need more venomchevy 8 4,763 Last post 03/03/16 01:04 AM
by redheadedrod
Best Single MPG Mod? « 1 2 3  All » Oleksy 61 30,478 Last post 06/15/15 11:27 AM
by mavericknj
how to burn out?? « 1 2 3 4 5  All » 04avZ71 105 89,908 Last post 02/10/15 11:23 AM
by 09chevyavy
E 85 upgrade « 1 2  All » Birchboy 27 17,669 Last post 10/06/14 08:13 PM
by Rocky Mountain Sooner
Looking for performance with 1500 bucks « 1 2 3  All » sebs50 51 28,248 Last post 08/22/14 02:14 PM
by timfarn
what do u think my first performance mod i should do to my AV bigbrent 8 5,433 Last post 05/23/14 06:26 AM
by Maniac
Mods to suggest... Bolt on preferred... Klay23 15 6,231 Last post 03/05/14 05:57 AM
by Roody650iAvy
Avalanche finally meets the Dyno...video TXSZ66AVLANCHE 16 6,982 Last post 12/16/13 04:40 PM
by RB`s 2010 AV
HELP!! WANT more power!! « 1 2  All » Avalanche 1500 37 9,629 Last post 11/22/13 01:13 PM
by RB`s 2010 AV
hoo has the most horse power!! « 1 2 3 4  All » stogen 80 24,130 Last post 09/16/13 06:30 AM
by enoniam
CAI, Exhaust and Programmer Submariner 1 2,481 Last post 08/09/13 11:57 AM
by Submariner
0-60, who has the quickest Avy! AvyMan2093 12 4,173 Last post 04/25/13 06:53 PM
by Old No.7 Avalanche
Best performance mods for the money Bucks79 7 6,082 Last post 11/01/12 06:19 AM
by Bucks79
Advice with performance Mods needed!!! avking 10 4,801 Last post 06/25/12 06:57 PM
by MyBigToy
too soon to put it on the track? firebus 3 2,511 Last post 06/19/12 01:00 AM
by Mr Monte
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