$1,000 to $1,499

Flo-Pro

2001-2004.5 Duramax 5" Downpipe Back Exhaust w / Muffler (531100 / 532100)

Industrial Injection

2001-2004.5 Duramax Screw In Cup Kit w/ Install Tool (PDM-07021K)

Valair

2001-2005 Cummins HD Ceramic/Kevlar Clutch Kit - 500HP/1000ft-lb (NMU70279-06)

Merchant Auto

2001-2005 Duramax Allison 5 Speed Overhaul Kit & Pistons (121002A)

Suncoast Diesel

2001-2005 Duramax Billet Flex Plate (A1-BFP-1)

Valair

2001-2005 Duramax OEM Solid Flywheel Repalcement Kit (NMU70DMAX-01)

South Bend Clutch

2001-2005 Duramax Stage 1 Organic Clutch Kit - 375HP (SDM-0105OK)

South Bend Clutch

2001-2005 Duramax Stage 2 CB/Kevlar Clutch Kit - 425HP (SDM-0105DFK)

MBRP

2001-2007 Duramax 4" Cat-Back Single Side Exit Exhaust w/ Muffler (S6004409)

MBRP

2001-2007 Duramax 5" Single Side Exit Exhaust - No Muffler (S60200SLM)

AMDP

2001-2007 Duramax LB7/LLY AMDP EFILive Tune Package

USA Standard Gear

2001-2007 Duramax NP261XHD Transfer Case Front Case Half w/ 29 Spline Input (ZTNP21943)

Wagler Competition

2001-2010 6.6L Duramax Street Girdle Kit (C6658)

ICON

2001-2010 Duramax 0-2" Stage 1 Suspension System (ICOK77100)

Zone

2001-2010 Duramax 3" Adventure Series Lift (ZONC31N)

HSP Diesel

2001-2010 Duramax 58" Bolt On Traction Bars 3.5" Axle Diameter (035-1-HSP)