2001-2007 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500
![](https://www.diamondeyeperformance.com/wp-content/uploads/2019/11/321045-Four-Bolt-Adapter-USE-NW.png)
321045 - FOR '01-'07 CHEVY 4" ALUM - 4 BOLT ADAPTER PLATE
321045 – FOR 2001, 2002, 2003, 2004, 2005, 2006 & EARLY 2007 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 – 4″ ALUMINIZED – PERFORMANCE DIESEL EXHAUST – 4 BOLT ADAPTER PLATE