Chevy Avalanche Performance Modifications

Whether it's the 5.3 or the 8.1 share tips and tricks on how to boost horsepower, torque, and smoke the competition.

Perf: 2500 Specific Perfomance Mods

This area is for "the few, the proud ..." owners of the 2500 and their unique performance issues
Threads
431
Messages
6.3K
Threads
431
Messages
6.3K

Perf: Air Intakes Kits & Filters

One of the first and easiest performance mods you should make. Cold air intakes, FIPK and others.
Threads
874
Messages
10.3K
Threads
874
Messages
10.3K

Perf: Drivetrain Brakes & Suspension

Transmission, differential, driveshaft upgrades for better performance. Suspension and Braking improvements for the performance crowd
Threads
886
Messages
10.6K
Threads
886
Messages
10.6K

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.
Threads
1K
Messages
13.5K
Threads
1K
Messages
13.5K

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..
Threads
1.8K
Messages
20.4K
Threads
1.8K
Messages
20.4K

Perf: Forced Induction

Serious horsepower, serious money. Turbochargers, Superchargers & Nitrous.
Threads
392
Messages
9.9K
Threads
392
Messages
9.9K

Perf: Ignition & Engine

Performance mods to the ignition system. Includes Plugs wires and coils. Engine mods include heads, valves, rockers, coolant system etc
Threads
667
Messages
9.8K
Threads
667
Messages
9.8K
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