01-04 Duramax PPE Replacement Passenger Side Up PipePPE has taken OEM replacement to a new level. All PPE OEM Up Pipes allow 53% greater flow than stock. PPE OEM Up Pipes are a direct bolt on to your factory manifolds. Unlike factory parts, PPE OEM Up Pipe are manufactured from 11 gauge 304 stainless steel and includes our superior PPE 304 stainless steel, internally sleeved bellow that can take the abuse of high temperature and high pressures. Features: Direct bolt on replacement to factory exhaust

By insuring proper grain flow with their proprietary material

Outflows Factory Intake by 13%

SW# 7 : Like # 6 + added Timing

6L Duramax

Others 3-axis machined Y-bridges require multiple setups that add time(cost to you) and the potential for human error with misalignment that you will notice on install

High-idle user settings to adjust RPM during idle

4WD Only 4

Core Width 33

Powder Coated Finish

Tire size 29-50

so go for one that's soft

Bolt in kit for all 2007