The ARK racing down pipe is highly designed with semi brushed mirror polished 304T SUS stainless steel, CNC mandrel bent primaries, TIG welded connections, de-burred and ported inlets/outlets for better flow. Designed To Get The Most Out Of High Revving Race Tuned Motors - Larger piping Increases, dyno proven Horsepower/Torque From Mid-Range To Redline. For use with ARK or OEM catbacks only. INCLUDES H-TYPE TEST PIPE!

- Complete 100% bolt on application for OEM or ARK exhausts
- 2.5mm outer diameter & 1.7mm wall pipe thickness / inner tube welding
- All Mirror Polished Stainless T-304.
- Naturally aspired application.
- Horsepower : Up to 10Hp / 9tq's gain.