BBK Mustang H-Pipes Product images may differ from actual product appearance. Add up to 20 HP! For 1986-98 Mustangs, these H-pipes are mandrel-bent using aluminized 15-gauge tubing & include OE-quality, die-stamped flanges for a perfect fit. Made in the U.S.A. 2.5" H-Pipe with Converters Bolt on 15-18 horsepower Uses 50-state EPA-legal converters Less restrictive than factory 2.25" pipes 2.5" Off-Road H-Pipe Bolt on 15-20 horsepower For off-road and racing only (not emissions-legal) Easy-to-install factory sensor and air pump fitting. Note: These catalytic converters are no longer legal for sale in the state of California and will not be shipped to the state of California.

129-1521

2.5" H-Pipe with Converters 1986-93 Mustang 5.0L View this item Fits Applications $9.99

$399.99 Ships

129-1563

2.5" H-Pipe with Converters 1994-95 Mustang 5.0L View this item Fits Applications $9.99

$419.99 Ships 02/23/12

129-1507

2.5" Off-Road H-Pipe 1986-93 Mustang 5.0L View this item Fits Applications

$179.99 Ships

129-1562

2.5" Off-Road H-Pipe 1994-95 Mustang 5.0L View this item Fits Applications

$169.99 Ships 02/23/12

129-1565

2.5" Off-Road H-Pipe 1996-98 Mustang 4.6L GT View this item Fits Applications

$199.99 Ships 02/23/12

129-1566

2.5" Off-Road H-Pipe 1996-98 Mustang 4.6L Cobra View this item Fits Applications

$199.99 Ships