FULL SEND KITS: BUNDLE & SAVE✦ FITMENT-CONFIRMED PARTS✦ EXPERT SUPPORT 7 DAYS A WEEK✦ FREE SHIPPING — US & CANADA✦ FULL SEND KITS: BUNDLE & SAVE✦ FITMENT-CONFIRMED PARTS✦ EXPERT SUPPORT 7 DAYS A WEEK✦ FREE SHIPPING — US & CANADA✦
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Duramax 6.6L L5P (2017+)

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2017-2019 GM 2500/3500 6.6L Duramax — Downpipe-Back — L5P

From $694

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2017-2019 GM 2500/3500 Cab & Chassis 6.6L Duramax — Downpipe-Back — L5P

From $724

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2017-2021 GM 6.6L Duramax L5P EGR Cooler Upgrade Kit

$356

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2017-2026 GM 2500/3500 6.6L Duramax — Cat & DPF Race Pipe — L5P

From $416

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2017-2026 GM 6.6L Duramax — Downpipe-Back — L5P

$383

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2020-2026 GM 2500/3500 6.6L Duramax — Downpipe-Back — L5P

From $715

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Duramax L5P Full-Send Kit

From: Original price was: $3,481.99.Current price is: $3,133.79.

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Flo~Pro 2017–2019 L5P/L5D GM Canbus Plugs (Moulded, Sealed — Black Bag)

$135

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Flo~Pro 2020–2023 L5P/L5D GM Canbus Plugs (Moulded, Sealed — White Bag)

$135

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Flo~Pro 2024 L5P GM Canbus Plug (Moulded, Sealed — Blue Bag)

$185

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Flo~Pro 2025 L5P/L5D GM Canbus Plug (Square Plug — Purple Bag)

$185

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Flo~Pro AutoAgent 3 — EZ Lynk Device

$549

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Flo~Pro Autocal — EFI Live Device

$580

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Flo~Pro AVTOK Credits

$50

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Flo~Pro AVTOK Device — OBD + Bench + Unlock Cable, 8 Credits (GM)

$1,000

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Flo~Pro E41 Unlock Box — HP Tuners

$199.99

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