Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
My Vehicle Change Vehicle
2012 GMC Sierra 1500
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Exhaust Manifolds, Pipes & Mufflers
  • Department
  • Prices

18 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2012 GMC Sierra 1500 Converter & Pipe

    PartNumber: 20854453
    OEM 2012 GMC Sierra 1500 Converter & Pipe - 20854453
    Product Specifications
    • Notes: 4.3 Liter; 1/2 Ton, Federal, 4.8 & 5.3 Liter; Nt7 & Nua Emissions
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 51.2 x 29.9 x 14.2 inches
    • Item Weight: 35.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418926
    • Part Description: 2012 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    $1724.84 MSRP: $2690.39
    You Save: $965.55 (36%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Catalytic Converter

    PartNumber: 20854454
    OEM 2012 GMC Sierra 1500 Catalytic Converter - 20854454
    Product Specifications
    • Notes: Silverado, Sierra Hybrid; California;Silverado, Sierra; 4.3L, 4.8L, 5.3L, 6.0L; Federal
    • Other Names: Catalytic Converter
    • Item Dimensions: 45.3 x 29.9 x 14.4 inches
    • Item Weight: 37.40 Pounds
    • Replaced by: 19418941
    • Part Description: 2012 GMC Sierra 1500 Catalytic Converter
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L GAS
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Converter & Pipe

    PartNumber: 22940415
    OEM 2012 GMC Sierra 1500 Converter & Pipe - 22940415
    Product Specifications
    • Notes: Silverado, Sierra; 6.2L; California; 1/2 Ton, California, 6.2 Liter
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 52.0 x 29.9 x 13.4 inches
    • Item Weight: 40.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15905949
    • Part Description: 2012 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.2 L FLEX
    $2490.53 MSRP: $4366.67
    You Save: $1876.14 (43%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Catalytic Converter

    PartNumber: 15896591
    OEM 2012 GMC Sierra 1500 Catalytic Converter - 15896591
    Product Specifications
    • Notes: Silverado, Sierra; 6.2L; Federal
    • Other Names: Catalytic Converter
    • Item Dimensions: 47.2 x 32.9 x 16.5 inches
    • Item Weight: 34.30 Pounds
    • Replaced by: 19419599
    • Part Description: 2012 GMC Sierra 1500 Catalytic Converter
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Denali, SLE, SLT | 8 Cyl 6.2 L FLEX
    $1741.18 MSRP: $2613.56
    You Save: $872.38 (34%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Converter & Pipe

    PartNumber: 19418941
    OEM 2012 GMC Sierra 1500 Converter & Pipe - 19418941
    Product Specifications
    • Notes: Silverado, Sierra Hybrid; California;Silverado, Sierra; 4.3L, 4.8L, 5.3L, 6.0L; Federal; 1/2 Ton, California, 4.8 & 5.3 Liter; Nu5 & Nt4 Emissions
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 20854454, 15905948
    • Part Description: 2012 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Converter & Pipe

    PartNumber: 19419599
    OEM 2012 GMC Sierra 1500 Converter & Pipe - 19419599
    Product Specifications
    • Notes: Silverado, Sierra; 6.2L; Federal; 1/2 Ton, Federal, 6.2 Liter
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 15896591
    • Part Description: 2012 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.2 L FLEX
    $1741.18 MSRP: $2613.56
    You Save: $872.38 (34%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 22818061
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 22818061
    Product Specifications
    • Notes: Silverado, Sierra Hybrid
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 135.5 x 26.6 x 15.2 inches
    • Item Weight: 77.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20932936
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L ELECTRIC/FLEX
    $499.79 MSRP: $754.00
    You Save: $254.21 (34%)
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20920632
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20920632
    Product Specifications
    • Notes: Silverado, Sierra; 4.8L; Crew Cab; 1/2 Ton, Crew Cab, 4.8 Liter;1/2 Ton, Ext Cab, 4.8L W/6.5 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 124.0 x 33.3 x 15.4 inches
    • Item Weight: 53.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20779902, 25940536, 25940544
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SL, SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20920636
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20920636
    Product Specifications
    • Notes: 1/2 Ton, Std Cab, 5.3L W/6.5 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 100.6 x 32.7 x 15.2 inches
    • Item Weight: 245.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20779898, 25940531
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SLE, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20920635
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20920635
    Product Specifications
    • Notes: Silverado, Sierra; 5.3L; W/Flex Fuel; 133.0"; 1/2 Ton, Std Cab, 5.3L W/8 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 114.9 x 32.0 x 15.1 inches
    • Item Weight: 280.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19258691, 20779904, 25940537, 25940538
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SLE, SLT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 20920637
    OEM 2012 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 20920637
    Product Specifications
    • Notes: Silverado, Sierra; 5.3L; W/Flex Fuel; 143.5" Wheelbase; 1/2 Ton, Crew Cab, 5.3 Liter;1/2 Ton, Ext Cab, 5.3L W/6.5 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 129.4 x 33.0 x 15.1 inches
    • Item Weight: 281.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20898762, 25940543
    • Part Description: 2012 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SL, SLE, SLT, WT, XFE | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 22812180
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 22812180
    Product Specifications
    • Notes: Silverado, Sierra; 6.2L; All; 1/2 Ton, Crew Cab, 6.2 Liter;1/2 Ton, Ext Cab, 6.2 Liter
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 135.3 x 27.5 x 15.0 inches
    • Item Weight: 67.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25832562
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | Denali, SLE, SLT | 8 Cyl 6.2 L FLEX
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20920631
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20920631
    Product Specifications
    • Notes: Silverado, Sierra; 4.8L; 119" Wheelbase; 1/2 Ton, Std Cab, 4.8L W/6.5 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 103.2 x 33.0 x 15.5 inches
    • Item Weight: 244.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20779900, 25940533
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 20920633
    OEM 2012 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe) - 20920633
    Product Specifications
    • Notes: Silverado, Sierra; 4.8L; 133.0" Wheelbase; 1/2 Ton, Std Cab, 4.8L W/8 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 116.8 x 33.3 x 15.2 inches
    • Item Weight: 271.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20779905, 20898059, 25940540, 19258693
    • Part Description: 2012 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20959692
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20959692
    Product Specifications
    • Notes: Silverado, Sierra; 5.3L; W/Flex Fuel; 157.5"; 1/2 Ton, Ext Cab, 5.3L W/8 Ft Box
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 142.6 x 33.0 x 16.3 inches
    • Item Weight: 351.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20779906, 25940541
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SL, SLE, SLT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 20952771
    OEM 2012 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 20952771
    Product Specifications
    • Notes: 4.3 Liter, Std Cab, 6.5 Ft Box; Silverado, Sierra; 4.3L; 119" Wheelbase
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 101.6 x 32.5 x 14.8 inches
    • Item Weight: 36.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25940532, 20779899
    • Part Description: 2012 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20952773
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20952773
    Product Specifications
    • Notes: 4.3 Liter, Ext Cab, 6.5 Ft Box; Silverado, Sierra; 4.3L; 143.5" Wheelbase
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 124.3 x 32.1 x 15.2 inches
    • Item Weight: 279.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25947797, 20779901, 25940534, 25940530
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS
  • OEM (Genuine) 2012 GMC Sierra 1500 Muffler & Pipe

    PartNumber: 20952772
    OEM 2012 GMC Sierra 1500 Muffler & Pipe - 20952772
    Product Specifications
    • Notes: 4.3 Liter, Std Cab, 8 Ft Box; Silverado, Sierra; 4.3L; 133" Wheelbase
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 118.3 x 33.2 x 14.6 inches
    • Item Weight: 40.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25940529, 25940539, 19258692
    • Part Description: 2012 GMC Sierra 1500 Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS