The Injen SP cold air intake for 1999–2003 Volkswagen Jetta/Golf ALH TDI models is a tuned cold-air system using Injen's MR Technology and Air Fusion features. The kit includes dyno-tuned tubing, a serviceable SuperNano-Web dry filter and hardware, reports dyno gains (about +12 hp, +27 lb‑ft), and is offered specifically for ALH diesel models with CARB EO D-476-8 where applicable.
Injen 5/99-03 Volkswagen Jett/Golf w/ ALH TDI Polished Tuned Air Intake w/ MR Tech