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79-93 Mustang LS Swap 1 7/8 Ultimate Longtube Headers

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79-93 Mustang LS Swap 1 7/8 Ultimate Longtube Headers


79-93 Mustang LS Swap 1 7/8 Ultimate Longtube Headers


     Ultimate Headers’ Engine Swap Headers are designed to make installing a later generation engine into an earlier vehicle a much easier job… with great eye-appeal! This high-quality header set is designed to fit Chevy LS engines onto UPR modular engine K frames for Fox Body Mustangs (2005-96K-106, 2005-96K-108 or any 2005-96 UPR K-member with the use of stock or urethane motor mounts and the UPR adapter plate 3013-09.  Cast Stainless Steel flanges and the tight radius cast Stainless Steel elbows lets you put large tubes in tight places! The strength of 321 Stainless Steel tubes delivers a stronger, more durable header than our competition. Plus, you get a complete package – headers, ARP 12-point Stainless Steel header bolts, a pair of matching Cometic HTS header and HTS Collector Gaskets (if applicable).  

Ultimate Headers’ Low-Profile Connector Clamps provide a highly useful solution to connecting exhaust system tubing when ground and/or body clearance are problems.

Cast from the same non-corroding 316L allow Stainless Steel material as the Ultimate Headers header flanges and collector flanges, these low-profile clamps are engineered to stand up to heat, stress and vibration of high performance engines. Additionally, these low-profile connector flanges add a special level of quality elegance to the header-exhaust system installation.  Select the clamps in the drop down menu to add them to your order.

Product Features

» Lifetime Warranty!
» 1 7/8 Primaries, 3" Collectors
» Fits with UPR K-member
» Unique investment cast SS flanges
» Includes mounting hardware, gaskets and O2 sensor ports
» 18 Gauge 321 SS for the strongest header built on the market
» Clears GM 4L80, TH400, TH350 and all Manual Transmissions
» Tight radius cast elbows allow for a better fit and improved air flow

 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 Mustang LS Swap LX GT Cobra
 May also fit 1994-2004
Made In USA


Same Day Shipping:

UPR Products ships out all in stock orders via UPS or USPS the same day up till 5pm EST Monday through Friday. Orders received over the weekend will ship out on Monday. Tracking information is emailed to customers the evening after the package has been shipped out. Customers placing internet orders that have discrepancies or are out of stock will be contacted by phone or email.

UPS Ground Transit Times:

Back Orders:

Occasionally some parts that you have ordered will be out of stock. You will be called if any of the parts are out of stock and either hold the order till everything arrives or ship out what we have in stock and ship the remainder when it comes in based on your preference. You will not be charged for any items that are out of stock until the part is ready for shipping.

Canadian Orders:

UPR Products does ship to Canada via USPS. Customers will go through the normal checkout process and our system will estimate the cost of shipping automatically based on your address. Please note - Additional Duties, taxes & Import Fee's may be charged upon arrival.

International Orders:

UPR Products ships internationally but due to frequently changing freight costs it is quoted per order. International customers should include both a phone number and email with their order so you can be contacted with a shipping quote.

How Do I Return a Product:

If you need to return or exchange a product, please call us at 561-588-6630 within 30 days of receiving your order. We will issue a Return Merchandise Authorization (RMA) number which is required to process your return. Products should be shipped back to us via UPS, Fedex, USPS with a tracking number and insurance. All returned items must be in new condition and in the original packaging. Installed items cannot be returned. Contact us within the 30 days of receiving your order for any order issues. You are responsible for all return shipping charges and a 20% restocking fee will apply for any unapproved returns. Please check all parts for damage or defect when you receive your order and prior to installing or using the item.

Non-Returnable Products:

The following items will not be accepted as returns. Tuners and tuning devices, opened and or installed clutches (removed from original packing), non-defective items that have been installed, gift certificates, catch cans, fuel pumps, fuel injectors, nitrous kits, shocks, struts. Issues with any of the listed items must be taken up directly with the manufacturer.

Warranty Policy:

UPR Products offers a lifetime warranty against defects and failure on all products that we manufacture. Contact us at 561-588-6630 for further warranty information.

Magnaflow Warranty / Return Policy:

Magnaflow offers a Lifetime Warranty on their performance exhaust kits.

Magnaflow Warranty Details

Register your Magnaflow Exhaust

For a Magnaflow Warranty Return, complete the following form and contact UPR Products at 561-588-6630.

Magnaflow Warranty Return Form

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