5" FULL EXHAUST FOR 2017-2026 L5P GMC/CHEVROLET 2500/3500

Maximum Flow for Your L5P Duramax (409 stainless)

Built specifically for the 2017–2026 6.6L L5P Duramax, this 5-inch full exhaust kit is engineered to eliminate backpressure and unlock the power your diesel was meant to make. If you're running a tune or planning to, this is the exhaust upgrade that keeps up.

Key Benefits

• 5" diameter piping for maximum exhaust flow and power gains
• Noticeable increase in horsepower and torque
• Deep, aggressive diesel exhaust note
• Mandrel-bent aluminized or stainless steel construction
• Direct bolt-on fitment for 2017–2026 L5P — no cutting or welding
• Pairs perfectly with aftermarket tunes for maximum performance

Fitment

• 2017–2026 Chevrolet Silverado 2500HD / 3500HD 6.6L L5P Duramax
• 2017–2026 GMC Sierra 2500HD / 3500HD 6.6L L5P Duramax

What's Included

• 5" mandrel-bent exhaust tubing
  
• All mounting hardware and clamps
  

Stop letting a restrictive stock exhaust hold your L5P back. This is the upgrade serious Duramax owners make first.