Exhaust› Exhaust Pipes, Systems and Components
HKS
HKS Hi-Power SPEC-L2 GRB/GRF EJ20
SKU: H005 31019-AF127
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | HKS |
| Part Number | H005 31019-AF127 |
Videos
SUBARU WRX STI HKS NEW EXHAUST DYNO TEST
SUBARU IMPREZA STi 2011-2014 HKS RACING MUFFLER for USA
Subaru WRX STI V1 2015 - HKS Hi-Power Muffler | Catback Exhaust
2001 Subaru Impreza WRX HKS Hi-Power Catback Exhaust
Perrin Exhaust vs HKS Exhaust! Subaru BRZ
HKS Subaru WRX STI Legamax Cat Back Exhaust Sound Clip
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy