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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

6,244 Posts
427 Topics
Last post by MS03 2500
in Re: 2500 Owners Only
on 12/14/18 07:34 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.

10,276 Posts
873 Topics
Last post by Z66Modder
in Re: Everything about Spe...
on 12/14/18 08:20 PM
No New Posts

Perf: Drivetrain Brakes & Suspension

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

10,466 Posts
872 Topics
Last post by Blazerteam
in Re: GMT800 to GMT900 Bra...
on 11/10/18 03:04 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.

13,403 Posts
1,009 Topics
Last post by tsac
in Re: Range Technology, AF...
on 11/23/18 03:55 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..

20,373 Posts
1,754 Topics
Last post by Vaeagleav
in Re: Exhaust questions
on 11/29/18 08:13 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

9,704 Posts
656 Topics
Last post by JVZL1
in Re: 03 Avalanche radiato...
on 11/27/18 08:04 AM
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 3 Guests are viewing this board.
READ THIS BEFORE YOU POST HERE! goo929 0 7,949 Last post 09/19/02 11:32 AM
by goo929
Looking For Practical Mileage Increase Mods « 1 2  All » RedAV 36 12,120 Last post 10/12/18 09:45 AM
by Vaeagleav
what have you done to improve your MPG? « 1 2 3  All » jplumer 61 51,222 Last post 04/11/18 09:53 PM
by Jwh91
Best bang for the buck « 1 2 3 4  All » Vonderbach 80 45,508 Last post 04/07/18 01:34 AM
by Jwh91
Fastest Avalanche list (track times) « 1 2 3 4 5 ... 17  All » KY_BOB 401 138,665 Last post 09/17/17 07:45 AM
by DrX
So looking to build my '03 into a (semi) monster... redheadedrod 0 569 Last post 02/15/17 04:55 PM
by redheadedrod
100 horse more at the wheel? jwylde7 10 3,298 Last post 02/05/17 11:26 AM
by groo
Performance Mods! 04AvGuy 5 2,070 Last post 01/28/17 01:20 PM
by Z66Modder
Best WARRANTIED engine/torque/go fast mods for 07 and up???? Hanz Groober 9 4,563 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 15,277 Last post 06/07/16 08:04 AM
by igotzzoom
Just Getting Started EWD 0 839 Last post 04/20/16 11:03 AM
by EWD
some mods I got need more venomchevy 8 4,912 Last post 03/03/16 01:04 AM
by redheadedrod
Best Single MPG Mod? « 1 2 3  All » Oleksy 61 31,186 Last post 06/15/15 11:27 AM
by mavericknj
how to burn out?? « 1 2 3 4 5  All » 04avZ71 105 91,065 Last post 02/10/15 11:23 AM
by 09chevyavy
E 85 upgrade « 1 2  All » Birchboy 27 18,027 Last post 10/06/14 08:13 PM
by Rocky Mountain Sooner
Looking for performance with 1500 bucks « 1 2 3  All » sebs50 51 28,824 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 5,580 Last post 05/23/14 06:26 AM
by Maniac
Mods to suggest... Bolt on preferred... Klay23 15 6,441 Last post 03/05/14 05:57 AM
by Roody650iAvy
Avalanche finally meets the Dyno...video TXSZ66AVLANCHE 16 7,188 Last post 12/16/13 04:40 PM
by RB`s 2010 AV
HELP!! WANT more power!! « 1 2  All » Avalanche 1500 37 10,028 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 24,872 Last post 09/16/13 06:30 AM
by enoniam
CAI, Exhaust and Programmer Submariner 1 2,583 Last post 08/09/13 11:57 AM
by Submariner
0-60, who has the quickest Avy! AvyMan2093 12 4,348 Last post 04/25/13 06:53 PM
by Old No.7 Avalanche
Best performance mods for the money Bucks79 7 6,488 Last post 11/01/12 06:19 AM
by Bucks79
Advice with performance Mods needed!!! avking 10 4,955 Last post 06/25/12 06:57 PM
by MyBigToy
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