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  1. R

    Muffler delete

    Anybody see an increase or decrease in mpg after having your muffler deleted ?
  2. R

    MUFFLER DELETE

    Is it worth it ???
  3. R

    TRAIL BOSS UNDER COATING

    Just picked up a 21 trail boss I want this thing to last forever any tips on what I should use to undercoat before the winter come!?!? Is it worth getting it done professionally????
  4. R

    Cold air intake

    Do I need a special tune with a after market cold air inductions intake ???i have a 21 5.3
  5. R

    Pulsar LT

    Ok so I disabled my DFM shut off my auto stop shut off my speed limiter is there anything else I can do that I would benefit from??
  6. R

    Intake tuning

    Got the 21 5.3 TB with the pulsar LT installed to disable to DFM just bought a cold air inductions intake wondering if I’m going to need to reprogram it ?
  7. R

    COLD AIR INTAKE

    Just bought a CAI intake.. anybody have any problems with engine lights or needing to reprogram your truck???? I Have a 5.3 TB
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