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About Product
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About the Brand
Vehicle Fitment

HKS Hi-Power 409 GC8 EJ20HKS Hi-Power 409 GC8 EJ20
HKS Hi-Power Exhaust (31006-AF009)
Hi-Power409 Exhaust
Material : SUH409
Piping : 75mm
Sound (Close) : 98dB
Sound (Idle) : 78dB
Tip Size : 120mm
Tip Style : HP
Exhaust systems are a great way to enhance the looks, sounds, and performance of your vehicle.
Replacing the OEM catback on your car is one of the first modifications we recommend to any new car enthusiast. Replacing the OEM catback with an aftermarket exhaust system is a great way to increase horsepower, style, and the sound of your car.
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About HKS
In October 1973, two talented and spirited young engineers had a vision; to design and build high performance engines and components that major OE manufacturers could not or would not produce.

Led by Hiroyuki Hasegawa, a former engineer for Yamaha Motor Company, and his partner Mr.Kitagawa, the two secured a capital infusion from Sigma Automotive Co., Ltd. (hence the name “HKS ”), and began tuning gasoline powered engines in a dairy-farming shed at the foot of Mount Fuji in Japan.

A year later, Mr. Hasegawa designed and built the first aftermarket turbocharger for passenger cars and has never looked back.

HKS pioneered the Japanese aftermarket performance industry by delivering a host of exciting new products, including the first commercially available electronic turbo timer and boost controller. Other early products included piggy-back fuel computers and sophisticated fuel management tools. Clearly HKS was Driving Performance trends for Japanese vehicles.
Vehicle Fitment
1993 Subaru Impreza Base
1994 Subaru Impreza Base
1995 Subaru Impreza Base
1998 Subaru Impreza L
1999 Subaru Impreza L
1996 Subaru Impreza Brighton
1997 Subaru Impreza Brighton
1993 Subaru Impreza L
1994 Subaru Impreza L
1995 Subaru Impreza L
1996 Subaru Impreza L
1997 Subaru Impreza L
1993 Subaru Impreza LS
1994 Subaru Impreza LS
1995 Subaru Impreza LX
1996 Subaru Impreza LX
1995 Subaru Impreza Outback
1996 Subaru Impreza Outback
1997 Subaru Impreza Outback
1998 Subaru Impreza Outback
1999 Subaru Impreza Outback
1998 Subaru Impreza RS
1999 Subaru Impreza RS
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