Product Reviews for 1999-04 Mustang 4.6L SOHC SLP 1-5/8" Coated Long Tube Headers M30000
From the leader in late-model exhaust technology comes the industry's
most advanced Long-Tube Headers for 4.6-liter SOHC Mustangs. SLP's
1996-2004 Mustang Headers employ 1-5/8" primaries 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
loss of ground clearance
single-piece primaries, with no velocity-robbing welds-an SLP exclusive!
with all factory emissions equipment
with all required installation hardware, including gaskets and O2
extensions (no additional fabrication necessary)
entirely from mandrel-bent 409 stainless steel
to keep heat in, exhaust velocities up, and under-hood temperatures down
1996-2004 SOHC models
Requires SLP matching PowerFlo X-Crossover Pipe for proper fitment.
Convertible models may require modifications to factory K-member cross
The use of long tube headers or x-pipe crossover pipes using
aftermarket catalytic converters or no catalytic converters is illegal
for installation and use on emission-legal vehicles when operated on
public streets or highways. FOR OFF-ROAD USE ONLY.