The highly-anticipated HKS GT2540R Sport Turbo Upgrade is now available to complement HKS' product line for the 2002-2004 Subaru WRX. Testing has shown a 70 peak horsepower increase from stock and up to a 100 horsepower increase at maximum RPM. Power gains were achieved at 1.0 bar of boost pressure while utilizing the factory fuel system, intercooler and a HKS Hi-Power exhaust system.

The GT2540R Sport Turbo Upgrade includes the following items:

· HKS GT2540R ball-bearing turbo
· 150mm HKS Super Mega Flow air filter with airflow meter adapter and piping
· Up-pipe (Off-Road use only)
· Downpipe with split housing turbine extension (Off-Road use only)
· Oil lines, water lines, hoses, miscellaneous brackets and fittings
· Please note that this Turbo Upgrade removes all catalytic converters and is designated by HKS USA Inc. as an "OFF-ROAD USE ONLY" kit that can never be used on public highways