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.

  2.5" H-Pipe with Converters (pictured)

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