BBK Performance Parts 1670 1999-2004 MUSTANG 4.6L FULL 2.5 X PIPE W/CATALYTIC CONVERTERS 2556047 Includes Hardware: Yes

Includes Hardware: Yes

They also feature a durable black powder coat finish for lasting corrosion resistance

Governor spring kits allow the Bosch P7100 to spin the engine RPM up to 4000 RPM

Copper Core spark plugs feature a cold-formed steel shell and precision rolled threads

Made of impact modified acrylic

BBK Performance Parts 1670 1999-2004 MUSTANG 4.6L FULL 2.5 X PIPE W/CATALYTIC CONVERTERS 2556047 Includes Hardware: YesFrom our full line of tuned length and long tube performance headers to our matching high flow mid pipes and Varitune cat back systems, BBK performance exhaust products offer state of the art quality with unmatched performance gains. Since 1988 all BBK high performance exhaust products have been designed and built in the USA using only the best premium materials and manufacturing techniques.