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MagnaFlow makes 10 different types of
  Exhaust systems for the 2004.5-05 GM Duramax




Magnaflow 01-05 V8 6.6L GM Duramax LB7 / LLY Crew Cab, Long Bed (96 in. Bed Length) Dually 4
Magnaflow 4" Cat-Back Single Outlet Exhaust 01-05 6.6L LB7 / LLY GM Duramax Crew Cab, Long Bed 17931 / 16931 / 16930
DPP Price: $369.59 
Magnaflow 01-05 V8 6.6L GM Duramax LB7 / LLY Crew Cab, Short Bed (78 in. Bed Length) 4
Magnaflow 4" Cat-Back Single Outlet Exhaust 01-05 6.6L LB7 / LLY GM Duramax Crew Cab, Short Bed 17933 / 16933 / 16932
DPP Price: $369.59 
Magnaflow 01-05 V8 6.6L GM Duramax LB7 / LLY Extended Cab, Long Bed (96 in. Bed Length) 4
Magnaflow 4" Cat-Back Single Outlet Exhaust 01-05 6.6L LB7 / LLY GM Duramax Extended Cab, Long Bed 17935 / 16935 / 16934
DPP Price: $369.59 
Magnaflow 01-07 V8 6.6L GM Duramax LB7 / LLY / LBZ Crew Cab, Short Bed (78 in. Bed Length) 4
Magnaflow 4" Turbo-Back DUAL OUTLET Exhaust 01-07 6.6L LB7 / LLY / LBZ GM Duramax 17903 / 16903 / 16901
DPP Price: $678.86 
Magnaflow 01-07 V8 6.6L GM Duramax LB7 / LLY / LBZ Crew Cab, Short Bed (78 in. Bed Length) 4
Magnaflow 4" Turbo-Back Single Outlet Exhaust 01-07 6.6L LB7 / LLY / LBZ GM Duramax 17902 / 16902 / 16900
DPP Price: $406.05 
Magnaflow 01-07 V8 6.6L GM Duramax LB7 / LLY / LBZ Crew Cab, Short Bed (78 in. Bed Length) 5
Magnaflow 5" Turbo-Back Single Outlet Exhaust 01-07 6.6L LB7 / LLY / LBZ GM Duramax 17909/ 16909 / 16908
DPP Price: $579.92 
Magnaflow 03-07 V8 6.6L GM Duramax LB7 / LLY / LBZ Crew/Extended Cab, Short/Long Bed Direct Fit Muffler Replacement Kit w/ 5
Magnaflow D-Fit (Direct-Fit) Muffler Kit w/ 5" Tip 03-07 6.6L LB7 / LLY / LBZ GM Duramax 16999
DPP Price: $291.72