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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  MBRP 4" Pro Series Filter-Back Exhaust System S6059304 For 2020-2021 GM 6.6L Duramax L5P ( All Crew & Ext. Cab)

  MBRP 4" Pro Series Filter-Back Exhaust System S6059304 For 2020-2021 GM 6.6L Duramax L5P ( All Crew & Ext. Cab) The MBRP 4" PRO Series Filter-Back Exhaust System S6059304 will enhance the sound and style of your 2020-2021 GM 6.6L Duramax L5P. MBRP...

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  Now: $464.99

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  2001-2024 GM 6.6L DURAMAX -GM 11610965 FLEX PLATE BOLT

  2001-2010 GM 6.6L DURAMAX The GM 11610965 Flex-Plate Bolt is a direct replacement for your 2001-2010 GM 6.6L Duramax. The factory Flex Plate bolts are torque-to-yield and should not be reused. These bolts are sold individually and a quantity of 8 are...

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  Now: $5.05

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