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Guaranteed to Fit2003 GMC Sierra 1500 Change Vehicle
Flowtech® 2003 GMC Sierra 1500 - Shorty Headers
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$522.95
$653.95Save: $131.00(20%)
Manufacturer #31142FLT
Guaranteed to Fit2003 GMC Sierra 1500 Change Vehicle
Qty:
1
Your Vehicle Fit Details
Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 1500
Denali
8 Cyl 6.0L
-
Highlights
Part:
Brand:
Emissions:
46-State Legal (Cannot ship to CA, CO, NY or ME)
Series:
Shorty Series
Header Style:
Shorty
Primary Tube Diameter:
1 3/4 in. Primary Tube
Color Finish:
Ceramic Coated
Collector Diameter:
2 1/2 in. Collector
Quantity Sold:
Kit
Warranty:
90-day Flowtech warranty
Prop 65 Warning:
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Collector Attachment Style:
Flanged
Design:
4-1
Head Flange Thickness:
3/8 in. Thick Head Flange
Includes:
With Gaskets and Bolts/Studs
Material:
Made of Steel
Port Shape:
Round Port
Primary Tube Gauge:
16 Gauge
Vehicle Fitment Information
Vehicle Name
Submodel
Engine
Fitment Information
2003 Chevrolet Silverado 1500 HD
LS
8 Cyl 6.0L
-
2003 Chevrolet Silverado 1500 HD
LT
8 Cyl 6.0L
-
2003 GMC Sierra 1500 HD
SLE
8 Cyl 6.0L
-
2003 GMC Sierra 1500 HD
SLT
8 Cyl 6.0L
-
2003-2004 Chevrolet Silverado 2500
Base
8 Cyl 6.0L
-
Page 1 of 18 | Showing 1 - 5 of 89 results
Product Information
FLOWTECH – SHORTY HEADERS
Get maximum ground clearance along with Flowtech performance with these cold-rolled steel Shorty headers. They feature port seals that are O-ringed to prevent leaks and are designed to fit without hassles for performance that will last for miles. You can improve the power and sound on your street machine with Flowtech’s wide range of performance exhaust products.
- Short tubes for maximum clearance
- Made from cold-rolled steel tubing
- Includes mounting hardware
- Port seals are O-ringed to prevent leaking
- Features free-flowing Power Plenum collectors
- Tested for leaks
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.
Product Q&A
0
Are these Carb legal? As I live in California.
ThanksWyatt L.May 12, 2023
Best Answer:Hi Wyatt, I'm pleased to assist you. No, these are not legal in California. Tell us the vehicle information (year, make, model, trim, and engine size) so we can check for the correct shorty headers. Have a nice day!
Grace G.STAFFMay 12, 2023