DMAX Diesel LB7 Max-Flow Up-Pipes | 2001-2004 GM Duramax 6.6L

The Max-Flow Up-pipes are a good replacement if your stock up-pipes have blown out or you are just looking to add a little power. With 53% greater flow over the stock GM Up-pipes you will notice a gain in power and reduced back pressure. Constructed of heavy duty 304 Stainless Steel this set of up-pipes will not blow out like the stock bellows or even other aftermarket up-pipes. The Bellows use an extremely strong fish scale type round welding around the ring to prevent any damage to the bellow, outlasting the competition. These Up-pipes include high quality gaskets for both sides.

Features:

• High Flowing up-pipes
• Lowers EGT's (Exhaust Gas Temperatures)
• Constructed of heavy duty 304 Stainless Steel
• Direct bolt on replacement
• Includes gaskets
• 53% greater flow over stock GM up-pipes
• High quality welds
• Strong Bellow design made to outlast the competition
• Increases HP
• For use with OEM length/style manifolds only

Includes:

• 1 x Passenger side up pipe
• 1 x Drivers side up pipe
• 4 x up pipe gaskets