SLP Performance Pack Level 2 (2014-2016 GM 1500 Truck 5.3L V8)

Free Shipping Price: $1,399.95 (USD)
Part #: 620071
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Product Features

  • Increases engine performance by 24 RWHP @ 5,500 RPM and 22 ft-lbs RWTQ @ 4,100 RPM*
  • High flow cold air intake provides superior air flow and ultimate performance
  • CAD designed for optimized hood sealing to keep out heat and gain maximum performance
  • High flow, high capacity, washable and reusable air filter (does NOT require oiling)
  • Utilizes EPDM rubber couplers for proper fitment under engine load, rocking, and twisting
  • Cold air kit provides additional induction noise and aggressive performance sound
  • Extremely low restriction, 3" stainless steel SLP exhaust provides max performance and sporty sound
  • Custom SLP calibration fully integrates induction and exhaust system hardware
  • Calibration provides more aggressive throttle response and performance feel
  • Easy installation
  • Includes all necessary hardware and instructions
  • Kit Contents:
    • SLP EXHAUST KIT (#620074)
    • SLP COLD AIR KIT (#620064)

Give your 2014-2016 GM 1500 the power boost it needs by installing the SLP Performance Pack. When used as a full system, the Performance Pack increases engine performance by up to 24 horsepower and 22 lb-ft of torque at the rear wheels*.

The SLP Performance Pack is developed in-house by talented SLP calibration engineers, utilizing years of OE experience. Hundreds of hours are invested in calibration eorts to establish the utmost drivability and performance characteristics for each Performance Pack, ensuring that your truck is not only faster, but that it performs flawlessly under all conditions.

The SLP Performance Pack comes with the SLP Exhaust Kit, SLP Cold Air Kit, and SCT X4 Handheld Flash Device.

SLP cold air kits are designed using OE CAD data to ensure the maximum utilization of available space, a seamless fit, and unobstructed airflow. SLP exhaust systems have been engineered to provide maximum horsepower while producing distinctive sound attributes that speak 'performance.' Finally, the SLP calibrated SCT X4 Handheld Flash Device allows you the freedom to flash your PCM in your very own driveway, as well as return your vehicle to stock programming should the need ever arise.

*Horsepower and torque improvements shown are typical. Individual results may vary.

WARNING: Cancer and Reproductive Harm -


  • 2014, 2015, and 2016 GM 1500 Trucks w/ 5.3 L V8
  • Difficulty: Novice
  • Time: 2 hours
  • Required Tools: Garage tools

Download instruction manual