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SKU: 41003-AF006 | UPC: 4957266564592
HKS / Blitz / Apexi / STI 2008+ WRX/STI TT Harness FT-6
This twin turbo wiring harness delivers direct compatibility for HKS Blitz Apexi and STI turbo kits on 2008+ Subaru WRX and STI models. It simplifies complex electrical routing with pre-made connections matching OEM-style plugs for faster installs. Drivers gain dependable power delivery and reduced failure risk in boosted setups.
Key Features
- Multi-Brand Fit: Matches HKS GT-series Blitz Nur Spec Apexi AVCR and STI twin turbo kits without adapters
- Plug-and-Play Design: Uses OEM connectors for 08+ WRX STI engine harness no cutting or soldering needed
- Heat-Resistant Wiring: 125C rated silicone insulation withstands turbo bay temperatures up to 500F
- Compact Routing: Pre-routed paths follow factory lines for clean engine bay appearance
- Boost-Safe Relays: Integrated 40A relays handle high-draw turbos and wastegates reliably
Product Notes
- Confirm turbo kit model before purchase matches HKS Blitz Apexi STI specifications
- Store in dry area away from oils to preserve connectors
- Packages in anti-static bag inside sturdy box for protection
Installation Notes
- Professional installation recommended.
- Disconnect battery before routing harness near ECU
- Compatible with stock mounting clips no extra hardware required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2008-2014 | Subaru | Impreza | WRX STI Limited |
| 2008-2014 | Subaru | Impreza | WRX STI R205 |
| 2015-2021 | Subaru | WRX STI | All |
| 2015-2021 | Subaru | WRX STI | Limited |
Why Choose HKS / Blitz / Apexi / STI?
- Proven in JDM racing circuits for consistent turbo performance
- Factory-level quality wiring reduces electrical faults
- Precision-engineered lengths prevent strain on connections
Frequently Asked Questions
-
Q: Will this fit my 2010 WRX STI with HKS twin turbo kit?
A: Yes direct fit for 2008-2014 Impreza WRX STI and HKS GT2560 GT2860R kits plugs into factory harness -
Q: What wire gauge is used in the harness?
A: 14-16 AWG tinned copper strands with silicone jacket for flexibility and corrosion resistance -
Q: Is any ECU flashing required for install?
A: No this harness handles all turbo signals stock ECU compatible professional tuning advised post-install
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: 10 x 6 x 2 inch box with foam inserts
- Weight: 0.9 lbs
HKS
HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...
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