6.6L GMC Diesel Exhaust Kits (2001-2004.5)


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4" Downpipe Back Single
AluminizedStainless
2001-2004.5, 6.6L, 2500/3500, LB7-LLY-LBZ, Race Exhaust
EC-CC/SB-LB-Dually ...........................................................................................
 1141 SS1141
No Muffler Kit ................................................................................................

Note: Not for vehicles equipped with a catalyst! 		1141NM SS1141NM

5" Downpipe Back Single
AluminizedStainless
2001-2004.5, 6.6L, 2500/3500, LB7-LLY-LBZ, 4" Race Pipe
EC-CC/SB-LB-Dually ........................................................................................................
 1151 SS1151
No Muffler Kit ...........................................................................................................

Note: Not for vehicles equipped with a catalyst! 		1151NM SS1151NM





4" Cat Back Single
AluminizedStainless
2001-2005, 6.6L, 2500/3500, LB7-LLY, OEM 4-Bolt Flange
EC-CC/SB-LB-Dually ........................................................................................................
 823 SS823

2001-2007, 6.6L, 2500/3500, LB7-LLY-LBZ, No Flange
EC-CC/SB-LB-Dually ........................................................................................................
 820 SS820



4" Cat Back Duals
Aluminized
2001-2005, 6.6L, 2500/3500, LB7-LLY, OEM 4-Bolt Flange
EC-CC/SB-LB-Dually ........................................................................................................
 723

2001-2007, 6.6L, 2500/3500, LB7-LLY-LBZ,
EC-CC/SB-LB-Excludes Dually ........................................................................................................
 720

2001-2007, 6.6L, 2500/3500, LB7-LLY-LBZ
EC-CC/SB-LB-Dually ........................................................................................................
 727