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SLP 1-5/8 in. Ceramic Long Tube Headers (96-04 GT)

Item 23000
AmericanMuscle no longer carries the SLP 1-5/8 in. Ceramic Long Tube Headers (96-04 GT). Please check out 2015-2021 Mustang Headers for an updated selection.
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    Product Information

    Features, Description, Q&A, Specs & Installation


    • Rear Wheel Horsepower and Torque Gains
    • Long Tube Header Design
    • Free Flowing Mandrel-Bent Tubing
    • Aluminum Ceramic Coating
    • Made in the USA
    • Fits 1996-2004 GT and 2001 Bullitt


    Dyno-proven RWHP Gains. Get the most power out of your GT with a set of SLP Long Tube Headers. These SLP ceramic coated headers will replace your restrictive factory manifolds to improve your mustangs exhaust flow and increase your Pony's horsepower and torque. Increases of up to 15 RWHP have been seen when installed with a matching SLP shorty X-pipe.

    Aluminum Ceramic Coating. SLP uses a durable Aluminum Ceramic Coating on its long tube headers to reduce under hood temperatures, increase horsepower, lengthen the headers life, and for it's outstanding good looks. Ceramic Coated headers will long out last both polished and chrome plated headers.

    Made In The USA. Hand-crafted right here in the U.S.A from 1-5/8" mandrel bent 409 stainless steel tubing, these SLP Long Tube Mustang Exhaust headers feature venturi-style velocity collectors to optimize exhaust flow, resulting in a monster increase of horsepower.

    Recommended Upgrade. To realize the full power potential that these Long Tube Headers have to offer, AmericanMuscle recommends a custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

    Application. These SLP Ceramic Long Tube Headers are designed to fit the 1996 to 2004 GT Coupe and 2001 Bullitt Mustangs with manual and automatic transmissions. SLP recommends using their SLP Shorty X-pipe for a perfect fit and the best performance gains possible.

    Technical notes. Not legal for use on pollution controlled motor vehicles; intended for off road use only. Convertible models will require modifications to factory K-member cross brace.


    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    Hardware included:
    • (1) Passenger Side Long Tube Header
    • (1) Driver Side Long Tube Header
    • (2) Gaskets
    • (16) Header Bolts
    • (2) O2 Sensor Extensions
    • Installation Instructions

    Tech Specs

    Header Specifications
    Header Type: Long Tube Finish : Ceramic Coating
    Type Mid Pipe Required: SLP Shorty Fitment: 96-04 GT Manual & Automatic
    2001 Bullitt

    Questions & Answers

    10 More Questions