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}Need Help? Call Us1-866-529-0412
Guaranteed to Fit2003 GMC Sierra 1500 Change Vehicle
Flowtech® 2003 GMC Sierra 1500 - Shorty Headers
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$670.95
$754.95Save: $84.00(11%)
Manufacturer #91836-1FLT
Guaranteed to Fit2003 GMC Sierra 1500 Change Vehicle
Qty:
1
Your Vehicle Fit Details
Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 1500
SLT
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
SLT
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
SL
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
Base
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
WT
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
SLE
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
WT
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
SL
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
SLE
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
2003 GMC Sierra 1500
Base
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
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 5/8 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
Fitnotes:
Shorty; Smog Headers; Standard; Without EGR
Vehicle Fitment Information
Vehicle Name
Submodel
Engine
Fitment Information
2002 GMC Sierra 1500
HT
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
2002 GMC Sierra 1500
HT
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2002-2003 Chevrolet Avalanche 1500
North Face
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2002-2003 Chevrolet Avalanche 1500
On Road Edition
8 Cyl 5.3L
Shorty; Smog Headers; Standard; Without EGR
2002-2003 GMC Sierra 1500
SL
8 Cyl 4.8L
Shorty; Smog Headers; Standard; Without EGR
Page 1 of 11 | Showing 1 - 5 of 51 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
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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.