Exhaust› Exhaust Pipes, Systems and Components

HKS

HKS SILENT Hi-Power GDB/GDA/GGA EJ20 Turbo

$1,250.00

SKU: H005 31019-AF023

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Silent Hi-Power Series 304 SS Cat-Back Exhaust System with Single Rear Exit. Offers high performance and sporty appearance with reduced noise levels, ideal for mature enthusiasts. Constructed entirely of SUS304 grade stainless steel for high luster and long-lasting performance. Features a 'Silent Chamber' for certain applications to remove lower frequency cabin noise, minimizing disruption to exhaust gas flow and maintaining performance.

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

BrandHKS
Part NumberH005 31019-AF023

Videos

MAKING THE WRX LOUD! (HKS HI-POWER EXHAUST INSTALL!)

MAKING THE WRX LOUD! (HKS HI-POWER EXHAUST INSTALL!)
HKS Silent Hi Power on Subaru Impreza WRX Bugeye GDA

HKS Silent Hi Power on Subaru Impreza WRX Bugeye GDA
2006 Subaru WRX STi HKS Hi-Power Exhaust

2006 Subaru WRX STi HKS Hi-Power Exhaust
2006 Subaru WRX STi HKS Hi-Power Exhaust Sound

2006 Subaru WRX STi HKS Hi-Power Exhaust Sound

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