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FlowtechPart 91843-1FLT✓ Fits 86 vehiclesMade in CN
Product Details
⚙️
Vehicle Fitment & Compatibility
86 applicationsCompatible Engines
5.3L V8 325ci4.8L V8 294ci
Application Notes
with Silver Ceramic Finish1-5/8 inch Tube Diameter
View all 86 vehicle applications
Years
Make / Model
Submodel
Engine
2002–2005
Cadillac Escalade
5.3L V8 325ci
2007–2012
Chevrolet Avalanche
5.3L V8 325ci
2007–2012
Chevrolet Avalanche
5.3L V8 325ci
2007–2012
Chevrolet Avalanche
5.3L V8 325ci
2013
Chevrolet Avalanche
5.3L V8 325ci
2013
Chevrolet Avalanche
5.3L V8 325ci
2013
Chevrolet Avalanche
5.3L V8 325ci
2002–2006
Chevrolet Avalanche 1500
5.3L V8 325ci
2002–2005
Chevrolet Avalanche 1500
5.3L V8 325ci
2002–2003
Chevrolet Avalanche 1500
5.3L V8 325ci
2002–2003
Chevrolet Avalanche 1500
5.3L V8 325ci
2003
Chevrolet Avalanche 1500
5.3L V8 325ci
2004–2006
Chevrolet Avalanche 1500
5.3L V8 325ci
2005–2006
Chevrolet Avalanche 1500
5.3L V8 325ci
2005–2006
Chevrolet Avalanche 1500
5.3L V8 325ci
2002–2013
Chevrolet Silverado 1500
4.8L V8 294ci
2002–2013
Chevrolet Silverado 1500
4.8L V8 294ci
2002–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2002–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2002–2013
Chevrolet Silverado 1500
4.8L V8 294ci
2002–2006
Chevrolet Silverado 1500
5.3L V8 325ci
2002–2005
Chevrolet Silverado 1500
4.8L V8 294ci
2002–2005
Chevrolet Silverado 1500
5.3L V8 325ci
2004–2006
Chevrolet Silverado 1500
5.3L V8 325ci
2004–2005
Chevrolet Silverado 1500
5.3L V8 325ci
2004–2005
Chevrolet Silverado 1500
4.8L V8 294ci
2007–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2010–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2010–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
4.8L V8 294ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
4.8L V8 294ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
4.8L V8 294ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2002–2013
Chevrolet Suburban 1500
5.3L V8 325ci
2002–2013
Chevrolet Suburban 1500
5.3L V8 325ci
2002–2006
Chevrolet Suburban 1500
5.3L V8 325ci
2006
Chevrolet Suburban 1500
5.3L V8 325ci
2007–2013
Chevrolet Suburban 1500
5.3L V8 325ci
2002–2013
Chevrolet Tahoe
5.3L V8 325ci
2002–2013
Chevrolet Tahoe
5.3L V8 325ci
2002–2009
Chevrolet Tahoe
4.8L V8 294ci
2002–2006
Chevrolet Tahoe
5.3L V8 325ci
2002–2004
Chevrolet Tahoe
4.8L V8 294ci
2003–2004
Chevrolet Tahoe
4.8L V8 294ci
2006
Chevrolet Tahoe
5.3L V8 325ci
2006
Chevrolet Tahoe
4.8L V8 294ci
2007–2013
Chevrolet Tahoe
5.3L V8 325ci
2007–2013
Chevrolet Tahoe
5.3L V8 325ci
2012–2013
Chevrolet Tahoe
5.3L V8 325ci
2002–2013
GMC Sierra 1500
4.8L V8 294ci
2002–2013
GMC Sierra 1500
5.3L V8 325ci
2002–2013
GMC Sierra 1500
5.3L V8 325ci
2002–2013
GMC Sierra 1500
4.8L V8 294ci
2002–2013
GMC Sierra 1500
5.3L V8 325ci
2002–2005
GMC Sierra 1500
5.3L V8 325ci
2002–2005
GMC Sierra 1500
4.8L V8 294ci
2002–2004
GMC Sierra 1500
4.8L V8 294ci
2002–2003
GMC Sierra 1500
4.8L V8 294ci
2002–2003
GMC Sierra 1500
5.3L V8 325ci
2002
GMC Sierra 1500
4.8L V8 294ci
2002
GMC Sierra 1500
5.3L V8 325ci
2005–2006
GMC Sierra 1500
5.3L V8 325ci
2006–2013
GMC Sierra 1500
4.8L V8 294ci
2006
GMC Sierra 1500
5.3L V8 325ci
2010–2013
GMC Sierra 1500
5.3L V8 325ci
2010–2013
GMC Sierra 1500
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
4.8L V8 294ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
4.8L V8 294ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
4.8L V8 294ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2002–2013
GMC Yukon
5.3L V8 325ci
2002–2013
GMC Yukon
5.3L V8 325ci
2002–2009
GMC Yukon
4.8L V8 294ci
2002–2005
GMC Yukon
4.8L V8 294ci
2006
GMC Yukon
4.8L V8 294ci
2006
GMC Yukon
5.3L V8 325ci
2002–2013
GMC Yukon XL 1500
5.3L V8 325ci
2002–2013
GMC Yukon XL 1500
5.3L V8 325ci
2006
GMC Yukon XL 1500
5.3L V8 325ci
No applications match your search.
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Key Features
Installs to factory Y-Pipe and accommodates all emission control devices.
Flowtech Headers are the perfect combination of quality and value. These shorty, emission compatible headers fit the popular 02-13 Chevy Silverado/Tahoe/Avalanche/Suburban and GMC Sierra V-8 4.8L/5.3L, 2WD/4WD.
02-13 Chevy Silverado/Tahoe/Avalanche/Suburban and GMC Sierra V-8 4.8L/5.3L, Tube Size 1-5/8" O.D., Ceramic Coated, C.A.R.B. EO# D-115-20
- Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
- Heavy duty 16-gauge tubing for increased strength and durability
- Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
- OE style 2-1/2” ball and socket collector connects to factory exhaust head pipe with no cutting or welding
- TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
- Premium aluminum header gaskets included
- Coated in a satin silver metallic ceramic thermal barrier coating for an aggressive look and reduced underhood temperatures
- Headers are a must if you are using a cold air intake, cat-back exhaust system or tuner
- C.A.R.B. EO# D-115-20
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About this product
02-13 Chevy Silverado/Tahoe/Avalanche/Suburban and GMC Sierra V-8 4.8L/5.3L, Tube Size 1-5/8" O.D., Ceramic Coated, C.A.R.B. EO# D-115-20
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Product Specifications
Air Injection Tubes
No
Automotive Item Grade
Performance
Bolt Size
M8 x 1.25 x 25
Bolts Included
Yes
Brand
Flowtech Exhaust
C.a.r.b. Eo #
D-115-20
California Proposition 65 Chemical Name
1
California Proposition 65 Required
Yes
California Proposition 65
Yes
CARB (California) Compliant
Yes
Category
Exhaust
Collector Attachment
3-Bolt Flange
Collector Diameter
2.75
Collector Reducer Included
No
Color
Silver
Design
Shorty
Drive
2WD
Drive
4WD
EGT Port
No
Emission Code
1
Finish
Ceramic Coated
Flange Thickness
0.375
Flange Thickness
3/8
Gasket Or Seal Included
Yes
Header Series
Shorty Smog
Header Style
Shorty
Material
Mild Steel
Mounting Hardware Included
Yes
Oxygen Sensor Port
No
Part Type
Exhaust Header
Port Shape
Round
Primary Tubing Diameter
1 5/8
Primary Tubing Diameter
1.625
Product Type
Headers
Prop 65 Yes/No
Yes
Quantity
Sold as a pair
Sub Category
Exhaust Manifolds
Tube Wall Thickness
16
Warning
California Proposition 65
🛡️
Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
CN
⚠ Prop 65 Warning
Yes
1
Emissions Code
1
HS Code
8708925000
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Dimensions & Shipping
Product Dimensions
22.2 × 14.6 × 6.5 in
Shipping Dimensions
22.2 × 14.6 × 6.5 in
Weight
7235 g (7.24 kg)