20-24 GM 6.6L L5P DURAMAX

Unlock more power from your 2020–2021 L5P Duramax with emissions-safe tuners, high-flow cold air intakes, and turbo-back exhaust kits. This category features L5P performance upgrades designed for newer GM HD trucks, including DPF-friendly exhaust systems, throttle sensitivity boosters, and SOTF-compatible tuning modules. Ideal for Silverado and Sierra 2500/3500 models equipped with the 10-speed Allison transmission.

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  Merchant Auto ARP Exhaust Manifold Up Pipe Bolts 10232 For 01-22 2500HD, 3500, Silverado, Sierra with 6.6L Duramax

  Merchant Auto ARP Exhaust Manifold Up Pipe Bolts 10232 For 01-22 2500HD, 3500, Silverado, Sierra with 6.6L Duramax BenefitsReplaces Rusty OEM BoltsDirect ReplacementStronger Than OEM...

  MSRP:

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  Now: $16.72

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  Genuine GM ACDelco Fuel Rails 12686810 & 12686808 L5P Duramax

  ACDelco Fuel Rails 12686810 & 12686808   CHEVROLET    SILVERADO 2500    2017-2022CHEVROLET    SILVERADO 3500    2017-2022CHEVROLET    SILVERADO 4500 HD    2019-2021CHEVROLET    SILVERADO 5500 HD  ...

  MSRP:

  Was:

  Now: $475.00

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  Genuine GM ACDelco Fuel Rail 12686810 L5P Duramax -Driver Side/Left

  ACDelco Fuel Rail 12686810 - RIGHT/DRIVER SIDE   CHEVROLET    SILVERADO 2500    2017-2022CHEVROLET    SILVERADO 3500    2017-2022CHEVROLET    SILVERADO 4500 HD    2019-2021CHEVROLET    SILVERADO...

  MSRP:

  Was:

  Now: $274.99

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  Genuine GM ACDelco Fuel Rail 12686808 L5P Duramax - RIGHT/PASSENGER SIDE

  ACDelco Fuel Rail 12686808 - RIGHT/PASSENGER SIDE Silverado, Sierra 2500 HD. Diesel  Silverado, Sierra 3500 HD.   CHEVROLET    SILVERADO 2500    2017-2022CHEVROLET    SILVERADO 3500  ...

  MSRP:

  Was:

  Now: $225.00

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  Cognito 3-Inch Performance Leveling Kit With Fox PS 2.0 IFP Shocks for 20-22 Silverado/Sierra 2500/3500 2WD/4WD 110-P0779

  Cognito 3-Inch Performance Leveling Kit With Fox PS 2.0 IFP Shocks for 20-22 Silverado/Sierra 2500/3500 2WD/4WD 110-P0779 We have bundled everything you need in a leveling kit for your 20-21...

  MSRP:

  Was:

  Now: $1,579.95

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  GM Fuel Injection Pump Kit With Nox Sensors For 2017-2019 L5P Duramax - Truck only *

  GM Fuel Injection Pump 12701094 With Nox Sensors For 2017-2022 L5P Duramax - Truck only * * For Truck only, not chassis cab6.6L diesel, fuel pump. Silverado, Sierra 2500 HD. Silverado, Sierra 3500...

  MSRP:

  Was:

  Now: $1,303.90

  Out of stock. Please Call For Availability

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  GM Fuel Injection Pump 12701094 For 2017-2022 L5P Duramax - Truck only *

  GM Fuel Injection Pump 12701094 For 2017-2022 L5P Duramax - Truck only * * For Truck only, not chassis cab6.6L diesel, fuel pump. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Vehicle...

  MSRP:

  Was:

  Now: $849.99

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  AFE ProGaurd Oil Filter 44-LF047

  AFE ProGaurd Oil Filter 44-LF047aFe ProGuard HD Oil Filter; 19-20 GM Silverado 1500; L4 2.7L - Single

  MSRP:

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  Now: $17.00

  Out of stock. Please Call For Availability

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  AFE Exhaust DPF Back 49-44126-P

  AFE Exhaust DPF Back 49-44126-PaFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Polished Tips 20 GM Diesel Trucks V8-6.6L

  MSRP:

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  Now: $712.00

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  AFE Exhaust DPF Back 49-44126-B

  AFE Exhaust DPF Back 49-44126-BaFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P

  MSRP:

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  Now: $785.00

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  AFE Exhaust DPF Back 49-44125-B

  AFE Exhaust DPF Back 49-44125-BaFe Large Bore-HD 5 IN 409 SS DPF-Back Exhaust System w/Black Tip 20-21 GM Truck V8-6.6L

  MSRP:

  Was:

  Now: $557.00

  Out of stock. Please Call For Availability

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  AFE PRO 10R Intake 50-70056T

  AFE PRO 10R Intake 50-70056TaFe Momentum HD Intake System w/ Pro 10R Filter 2020 GM Diesel Trucks 2500/3500 V8-6.6L (L5P)

  MSRP:

  Was:

  Now: $480.14

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