MBRP 4″ Aluminized Front Pipe GMAL401

Description

Get even more exhaust flow with this 4″ MBRP Front Pipe w/ Flange.

MBRP Front Pipes are jig manufactured to ensure total accuracy. Smooth mandrel bends will give you the best flowing Duramax Front Pipes in the industry. Gain extra power and enjoy the EGT reduction as well. Constructed from heavy duty aluminized steel you can count on this pipe lasting for years to come.

Features:

• 4″ Aluminized Steel Construction
  
• Increase Power & Efficiency
  
• Lower Exhaust Gas Temperatures
  
• Mandrel Bent & Jig Manufactured
• 3 Year Warranty

Will work on but is not recommended for the 04.5-05 Duramax LLY with out the use of aftermarket tuning to eliminate EGR codes.