SLP 99-04 4.6 SOHC 1-5/8" Coated Longtube Headers

SKU: SLP-M30000

Manufacturer: SLP

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SLP 99-04 4.6 SOHC  1-5/8" Coated Longtube Headers

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SLP 99-04 4.6 SOHC 1-5/8" Coated Longtube Headers

From the leader in late-model exhaust technology come the industry's most advanced long-tube headers for 4.6-liter SOHC Mustangs. SLP's Mustang headers employ 1-5/8" primaries and venturi-style velocity collectors to optimize exhaust flow, resulting in phenomenal horsepower increases. They're compatible with all factory emissions equipment and come standard with a lustrous aluminum-ceramic performance coating (inner and outer surfaces). No other 4.6 long-tube header offers this combination of features--at any price!


  • Minimal loss of ground clearance
  • Equipped with venturi-type velocity collectors to maximize exhaust scavenging
  • Employs single-piece primaries, with no velocity-robbing welds-an SLP exclusive!
  • Compatible with all factory emissions equipment
  • Available with matching catted or off-road X-pipe
  • Comes with all required installation hardware, including gaskets and O2 extensions (no additional fabrication necessary)
  • Constructed entirely from mandrel-bent stainless steel
  • Aluminum-ceramic-coated to keep heat in, exhaust velocities up, and under-hood temperatures down
  • Fits 1996-2004 SOHC models

    NOTE: Convertible models may require modifications to factory K-member cross brace.

    NOTE: Not legal for use on pollution-controlled motor vehicles.
  • Manufacturer SLP

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    • Mustang GT 1999,2000,2001,2002,2003,2004