PPEI Allison Transmission Tuning For 2004.5-2005 GM 6.6L LLY Duramax 2014-2018 sierra 1500 Tail Pipe Outlet Diameter: 3

Tail Pipe Outlet Diameter: 3

1 piece design with superior strength and durability

15629 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty

Mirror polished T304 stainless steel construction

6 Cylinder: 31”

PPEI Allison Transmission Tuning For 2004.5-2005 GM 6.6L LLY Duramax 2014-2018 sierra 1500 Tail Pipe Outlet Diameter: 3Enhance your driving experience and extend the lifespan of your Allison transmission with PPEIs Transmission Tuning, specifically designed for the 2004. 5 2005 LLY Duramax. PPEIs 5 Speed Allison transmission tuning is a game changer for your LLY Duramax, whether you seek optimal performance or overall reliability. PPEIs Allison 5 Speed Transmission Tuning is not just about performance; it's about longevity and efficiency. Fine tuning the transmissions