HSP Diesel 2 Inch Up-Pipe Set 2001-2004 LB7 Duramax Finish:Ceramic Coated or lifted GM 2500-3500 HD

or lifted GM 2500-3500 HD truck but are also a great upgrade for your stock height truck

Add to that some reference signal manipulation and you have some serious boost

this makes for a much easier factory fuel filter head delete if this is what you will be doing

New Bushings

5 Class Legal

HSP Diesel 2 Inch Up-Pipe Set 2001-2004 LB7 Duramax Finish:Ceramic Coated or lifted GM 2500-3500 HDUpgrade your restrictive factory exhaust restriction with our better flowing 2" up pipes. Increase horsepower and torque, as well as, reduce your EGTs and increase spool up. Heavy wall 304 stainless steel tubing along with heavy duty sleeved bellows allow you to push our up pipes far beyond the capability of a factory up pipe. Included Components: 1x 2" Stock Replacement Passenger Up pipe 1x 2" Stock Replacement Passenger Up Pipe 2x Up pipe Gasket