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HKS / Blitz / Apexi / Stri 08+ WRX/STi TT Harness FT-6

Marsoni M251S
Sale price$30.00
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HKS / Blitz / Apexi / Stri 08+ WRX/STi TT Harness FT-6SKU: 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
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 1689 reviews
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Verified Purchase
Britincali
Draper, US
★★★★★ 5
Upgrade from OEM
After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
A
Verified Purchase
ANDRES FIGUEROA
Draper, US
★★★★★ 5
Very good
The best quality. Runs like new again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
A
Verified Purchase
Ale
Draper, US
★★★★★ 1
garbage spark plugs
misfired after 30 minutes of driving cylinder 4 misfire code, left me stranded on the highway with baby in car. “(9621)” at the end of description is a lie, was not compatible with my vehicle even with compatibility test.
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Reviewed in the United States on May 17, 2026
A
Verified Purchase
Aspen Valdez
Chelsea, US
★★★★★ 5
Fits 2011 335xi n55 prefect
Fits my 2011 335xi n55 engine perfectly. Comes on and off easily and gets the filter loose quickly. Amazing quality
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Reviewed in the United States on March 15, 2026
C
Verified Purchase
Clint
New York, US
★★★★★ 5
Works perfect for BMW S63 engine.
I used this to change the oil on my BMW M8 with the S63 engine. It was a perfect fit. It extended far enough onto the filter housing to be quite secure with no risk of slipping off and stripping the housing. It was snug on the housing and did not bind up due to having a loose fit. The tool feels well-built and I suspect it will outlive me given my occasional personal use. It would still probably hold up well even for daily shop use as long as it was not abused (repeatedly dropped, slammed around, etc).
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Reviewed in the United States on September 8, 2025

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