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JDM Undertray

JDM undertray for engine and transmission is larger and more comprehensive than USDM undtray. They provide a smooth underbody to reduce airflow restriction and turbulence. Works well with other aero changes to help generate negative lift characteristics.

Usually ships within 2 to 3 weeks.

Manufacturer: Subaru


  • Subaru Impreza WRX MY02-07
  • Subaru Impreza STI MY04-07
Part No. Description Part Ref. Price Ea. Add to Cart
RSTR-BS12 JDM STI Engine Undertray V7 S1 $331.18
RSTR-BS13 JDM STI Engine Undertray V8/9 (Twinscroll) S1 $332,64
RSTR-BS50 JDM STI Transmission Undertray (6MT) S5 $102.21
Installation Parts
RSTR-C023 Push-pin Clip, Undertray S2 $1.87
RSTR-BS30 Bolt, Undertray S3 $0.87
RSTR-BS40 Clip, Undertray S4 $2.28
RSTR-C024 Push-pin Clip, Transmission Undertray S6 $1.60