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FlowTech Flowtech Shorty Headers - Black Painted 11143FLT fits 2003-2013 Cadillac / Chevrolet / GMC

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

FlowMonster
11386-FM
Many in stock
$79.99 USD
$79.99 USD

FlowTech Flowtech Shorty Headers - Black Painted 11143FLT fits 2003-2013 Cadillac / Chevrolet / GMC
3 Interior construction features 3.50 inch "straight-through" perforated 409 stainless steel tube surrounded by high-temperature sound absorption packing material which helps to deliver a deeper, mellower exhaust note. The internal design is reversible allowing the flexibility to be installed in either direction to best accommodate fitment with the intended vehicle. The fully MIG-welded 409 Stainless Steel material is embossed with the "FLOWMONSTER" logo on the case.


Specifications:

614 4.00
615 14.00
621 409 Stainless Steel
616 9.00
1882 No
Color Stainless Steel
1161 0
200 Natural
3390 Performance
617 No
618 No
601 2.50
Inlet Location Dual
1171 2.63
620 2
596 Dual
1174 Absorption / Glasspack
622 2.50
Outlet Location Dual
1172 2.63
623 2
598 Dual
8971 20.00
624 Yes
33 Oval
Sound Level Moderate
626 No
3145 Universal
Automotive Item Grade High Performance
Brand Flowmonster
California Proposition 65 Chemical Name Nickel (Metallic)
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Category Exhaust
Emission Code 5
Fitment Universal
Mount Type Uses New Hangers (Not Included)
Muffler Series Flowmonster
Outlet Position Dual
Product Type Street Mufflers
Special Offers Summer Sale
Vehicle Type 4/6 CYL Engine
Vehicle Type Classic Muscle Car
Vehicle Type Late Model Muscle Car
Vehicle Type Street Rod
Vehicle Type Street/Strip
Vehicle Type Truck/SUV
Warning California Proposition 65
9957 Slip-Fit
9958 Slip-Fit
part type Exhaust Muffler
Sub Category Mufflers
11739 0
11740 0
614 4.00
615 14.00
621 409 Stainless Steel
616 9.00
1882 No
Color Stainless Steel
1161 0
200 Natural
3390 Performance
617 No
618 No
601 2.50
Inlet Location Dual
1171 2.63
620 2
596 Dual
1174 Absorption / Glasspack
622 2.50
Outlet Location Dual
1172 2.63
623 2
598 Dual
8971 20.00
624 Yes
33 Oval
Sound Level Moderate
626 No
3145 Universal
Automotive Item Grade High Performance
Brand Flowmonster
California Proposition 65 Chemical Name Nickel (Metallic)
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Category Exhaust
Emission Code 5
Fitment Universal
Mount Type Uses New Hangers (Not Included)
Muffler Series Flowmonster
Outlet Position Dual
Product Type Street Mufflers
Special Offers Summer Sale
Vehicle Type 4/6 CYL Engine
Vehicle Type Classic Muscle Car
Vehicle Type Late Model Muscle Car
Vehicle Type Street Rod
Vehicle Type Street/Strip
Vehicle Type Truck/SUV
Warning California Proposition 65
9957 Slip-Fit
9958 Slip-Fit
part type Exhaust Muffler
Sub Category Mufflers
11739 0
11740 0
Description_SHO FLWMON OVL ABS 25DD
Description_INV FLOWMONSTER 409SS, MUFFLER 14X9X4X20
Description_ASC This is a Universal Fit muffler - Not a Direct fit. Some adaption may be required for proper fitment on some applications
Description_DES FLOWMONSTER 409SS OVAL CASE ABSORPTION MUFFLER
Description_EXT FLOWMONSTER MUFFLER - 2.50 DUAL IN/2.50 DUAL OUT - 4.00 x 9.00 OVAL CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL
Description_MKT 1 The Flowmonster series of absorption style mufflers deliver a moderate tone for the enthusiast looking for a deeper, more aggressive exhaust note than most OE (Original Equipment) mufflers, unlike the racey exhaust note associated with "chambered" style mufflers.
Description_MKT 3 Interior construction features 3.50 inch "straight-through" perforated 409 stainless steel tube surrounded by high-temperature sound absorption packing material which helps to deliver a deeper, mellower exhaust note. The internal design is reversible allowing the flexibility to be installed in either direction to best accommodate fitment with the intended vehicle. The fully MIG-welded 409 Stainless Steel material is embossed with the "FLOWMONSTER" logo on the case.
Description_FAB 409 Stainless Steel construction for superior corrosion resistance and good looks
Description_FAB Interior construction features high-temp interior sound absorption material delivering a deeper, mellow exhaust tone
Description_FAB Perforated High-Flow straight-through tube design for increased exhaust flow
Description_FAB Moderate increase in interior tone over most OE mufflers
Description_FAB A stainless steel performance muffler at an economical price
Description_FAB Internal Design is reversible allowing flexability to be installed in either direction
Description_FAB Sold Individually
Description_SHO FLWMON OVL ABS 25DD
Description_INV FLOWMONSTER 409SS, MUFFLER 14X9X4X20
Description_ASC This is a Universal Fit muffler - Not a Direct fit. Some adaption may be required for proper fitment on some applications
Description_DES FLOWMONSTER 409SS OVAL CASE ABSORPTION MUFFLER
Description_EXT FLOWMONSTER MUFFLER - 2.50 DUAL IN/2.50 DUAL OUT - 4.00 x 9.00 OVAL CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL
Description_MKT 1 The Flowmonster series of absorption style mufflers deliver a moderate tone for the enthusiast looking for a deeper, more aggressive exhaust note than most OE (Original Equipment) mufflers, unlike the racey exhaust note associated with "chambered" style mufflers.
Description_MKT 3 Interior construction features 3.50 inch "straight-through" perforated 409 stainless steel tube surrounded by high-temperature sound absorption packing material which helps to deliver a deeper, mellower exhaust note. The internal design is reversible allowing the flexibility to be installed in either direction to best accommodate fitment with the intended vehicle. The fully MIG-welded 409 Stainless Steel material is embossed with the "FLOWMONSTER" logo on the case.
Description_FAB 409 Stainless Steel construction for superior corrosion resistance and good looks
Description_FAB Interior construction features high-temp interior sound absorption material delivering a deeper, mellow exhaust tone
Description_FAB Perforated High-Flow straight-through tube design for increased exhaust flow
Description_FAB Moderate increase in interior tone over most OE mufflers
Description_FAB A stainless steel performance muffler at an economical price
Description_FAB Internal Design is reversible allowing flexability to be installed in either direction
Description_FAB Sold Individually
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