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1990 GMC S15
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Guaranteed to Fit1990 GMC S15 Change Vehicle

Flowtech®
1990 GMC S15 - Shorty Headers

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$277.15
$338.00Save: $60.85(18%)
Manufacturer #11579FLT
Guaranteed to Fit1990 GMC S15 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
1990 GMC S15
High Sierra
6 Cyl 2.8L
LS Swap
1990 GMC S15
Sierra Classic
4 Cyl 2.5L
LS Swap
1990 GMC S15
Sierra Classic
6 Cyl 4.3L
LS Swap
1990 GMC S15
Sierra Classic
6 Cyl 2.8L
LS Swap
1990 GMC S15
High Sierra
6 Cyl 4.3L
LS Swap
1990 GMC S15
Base
4 Cyl 2.5L
LS Swap
1990 GMC S15
Base
6 Cyl 4.3L
LS Swap
1990 GMC S15
High Sierra
4 Cyl 2.5L
LS Swap
1990 GMC S15
Base
6 Cyl 2.8L
LS Swap

Highlights

Part:
Headers
Brand:
Flowtech
Emissions:
46-State Legal (Cannot ship to CA, CO, NY or ME)
Series:
LS Swap Series
Header Style:
Shorty
Primary Tube Diameter:
1 5/8 in. Primary Tube
Color Finish:
Polished
Quantity Sold:
Kit
Warranty:
90-day Flowtech warranty
Prop 65 Warning:

Warning SymbolWARNING: 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.

Head Flange Thickness:
3/8 in. Thick Head Flange
Material:
Made of Stainless Steel
Fitnotes:
LS Swap

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1982 GMC S15
Sierra Grande
4 Cyl 1.9L
LS Swap
1982 GMC S15
Sierra Grande
6 Cyl 2.8L
LS Swap
1982-1985 Chevrolet S10
Base
4 Cyl 1.9L
LS Swap
1982-1985 Chevrolet S10
Durango
4 Cyl 1.9L
LS Swap
1982-1985 Chevrolet S10
Sport
4 Cyl 1.9L
LS Swap
Page 1 of 17 | Showing 1 - 5 of 81 results

Product Information

FLOWTECH LS SWAP SERIES HEADERS

Expect a more powerful torque, horsepower, and excellent fuel efficiency with Flowtech LS Swap Series headers. They are innovated to provide a precise fitment for your vehicle with their mandrel-bent tubing design. They are also offered in both natural and polished finishes to suit your style.

  • Includes mounting hardware and top-grade quality gaskets
  • Built to fit your vehicle specific perfectly
  • Precisely engineered using the latest technology in the market
  • Coated in an extraordinary heat resistant paint for a stealthier display
  • Mandrel-formed for a more powerful performance
  • Provides superior power and enhanced fuel efficiency

Flowtech, since 1994, concentrates on high-performance exhaust components that will improve the power and sound of your engine.

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
Do you have shortly base header’s stainless steel 1 inch 3/4 for 1993 S-10 pick up?Mark J.Sep 15, 2022
Best Answer:Hi Mark, I'm glad to assist you. You have missed mentioning the engine size of your vehicle. For us to carefully check and be accurate on the part you need, please provide the complete information of your vehicle (year, make, model, submodel, and engine size). The VIN would be much helpful. I hope this helps for now.
Jeonino E.STAFFSep 15, 2022
0
Do you have headers for a 95 s10 2.2 350 chevy swap?Gregg D.Oct 23, 2020
Best Answer:Hi Gregg, This is designed for a 4 cylinder and 6 cylinder. As of our supplier/manufacturer's resource catalog the correct part number is a Flowtech, 11578FLT. Please click the link below to see it. <a href="https://www.holley.com/products/exhaust/headers_and_exhaust_manifolds/shorty/parts/11578FLT" target="_blank">https://www.holley.com/products/exhaust/headers_and_exhaust_manifolds/shorty/parts/11578FLT</a>
Jeonino E.STAFFOct 23, 2020