2017-2025 Duramax 3.5" L5P Downpipe Private/Black Label (L5P-EXH-A004-PRI)

Black Label (No Branding): No Minimum amount is required

Private Label (Custom Branding): MINIMUM PURCHASE OF 10 KITS. If you want to receive your own logo/branding on your EGR kit, you must purchase 10 kits.

First-Time Artwork Formatting for Private Label (Custom Branding): This fee covers the initial setup of your logo and is a one-time purchase. If this is your first time purchasing a Private label kit, you must purchase the "First Time Private Label Formatting" Addon.  

Laser Fee (Custom Branding): If you are purchasing a private-label product, you must select the Laser Fee addon.

If you're building an L5P Duramax, one of the first upgrades you require is the upgraded 3.5" L5P Downpipe. From the factory, the L5P comes with an extremely restrictive crushed downpipe that does nothing but raise your EGT's and rob you of power.

Part Number: L5P-EXH-A004

• 3.5" Downpipe
• Full Stainless Steel
• Tig welded construction 
• Comes With High-Quality Heat Wrap Kit
• Replaces Restrictive 'Crushed' OE Downpipe and Cat
• Connects to Factory Turbo Outlet
• Works with Any Aftermarket Race Exhaust System OR OEM System
• 4-Bolt Flange

• We recommend adding the EGR Upgrade Kit with this downpipe. It includes everything you need to fix your OEM EGR before it starts causing you problems and costing you money.
• Race Tuning Required to Run Downpipe
• Does Not Include Bungs for Sensors - Off Road Competition Use Only!