{
"lazyNodes": false,
"abFitnotesFlag": false,
"abCrawlReviews": true,
"productOptionsCookie": false,
"orderDelayFlag": false,
"skipSessionCookie": false,
"covidMessage": false,
"fullTitleCookie": false,
"nrLoggerCookie": true,
"checkoutReviewCookie": false,
"productOptionSeqCookie": false,
"maintenanceFlag": false,
"bufferETACookie": false,
"multiShippingDiscountFlag": false,
"newFitmentFlag": false,
"surveyOptInFlag": true,
"crossSellFlag": false,
"skuMappingFlag": false,
"paySplitCookie": false,
"callDisableFlag": true,
"zipPaymentFlag": "c",
"hassleFreeReturn": true,
"lifetimeReplacement": true,
"cpn_off": false
}Need help?Chat with us
Guaranteed to Fit1990 GMC K1500 Change Vehicle
Flowtech® 1990 GMC K1500 - Aluminized Steel Exhaust Pipe - Y-Pipe
Tap image and pinch to zoom.
$252.95
$284.95Save: $32.00(11%)
OR
Manufacturer #11504YFLT
Guaranteed to Fit1990 GMC K1500 Change Vehicle
Qty:
1
Your Vehicle Fit Details
Vehicle Name
Submodel
Engine
Fitment Information
1990 GMC K1500
Sierra SLE
8 Cyl 5.0L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1990 GMC K1500
Sierra SLX
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1990 GMC K1500
Sierra
8 Cyl 5.0L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1990 GMC K1500
Sierra
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1990 GMC K1500
Sierra SLE
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1990 GMC K1500
Sierra SLX
8 Cyl 5.0L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
Highlights
Part:
Brand:
Emissions:
46-State Legal (Cannot ship to CA, CO, NY or ME)
Type:
Y-Pipe
Inlet Diameter:
3 in.
Quantity Sold:
Sold individually
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.
Color Finish:
Natural
Material:
Aluminized Steel
Outlet Size:
3 in. Outlet Size
Product Fit:
Direct Fit
Recommended Use:
Performance Replacement
Fitnotes:
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
Vehicle Fitment Information
Vehicle Name
Submodel
Engine
Fitment Information
1988-1989 GMC R2500
Base
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1988-1989 GMC R2500
High Sierra
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1988-1989 GMC R2500
Sierra Classic
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1988-1989 GMC R3500
High Sierra
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
1988-1989 GMC R3500
Sierra Classic
8 Cyl 5.7L
Header to Converter, For Use with PN[11504FLT], Not Legal For Street Use
Page 1 of 24 | Showing 1 - 5 of 120 results
Product Information
FLOWTECH – HIGH PERFORMANCE X, Y, & H EXHAUST PIPES
Flowtech’s extensive range of performance exhaust products includes a long list of various H-, X- and Y-pipes. To complement Flowtech headers, the company offers H- and X-pipes to increase exhaust flow further downstream, and to connect headers to the catalytic converters, Flowtech offers Y-pipes designed specifically to work with their headers. You can improve the power and sound on your street machine with Flowtech’s wide range of performance exhaust products.
- Finished in corrosion resistant aluminum
- Connect Flowtech headers to catalytic converters with their Y-pipes
- H- and X-pipes available for racing or street performance
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
Will this mount up to factory manifolds?Bryan H.May 15, 2023
Best Answer:Hi Bryan, thank you for reaching out. No, this will not. This item is for use with the 11504FLT Flowtech headers. Kindly call our parts team at 1-866-529-0412 and provide the complete vehicle information. We'll be more than glad to help you look for the correct part. Have a nice day.
Aldrin P.STAFFMay 15, 2023Customer Reviews
Fits perfectly will and always buy from carports good prices
Troy J.
VERIFIED PURCHASER
Purchased on Nov 26, 2023
You sent me the wrong pipe the pipe that I needed was for a 4 Wheel Dr. 2500 GMC
Michael T.
VERIFIED PURCHASER
Purchased on Nov 19, 2020