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HKS Extension Kit (1418-RN005)

Marsoni M251S
Sale price$480.00
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Get it in 3 business days with 1 day shipping. Friday, May 29
HKS Extension Kit (1418-RN005)SKU: 1418 RN005 UPC: 4957266610343 HKS Extension Kit (1418 RN005) 1989 2002 Nissan Skyline GT R RB26DETT The HKS Extension Kit (1418 RN005) separates the main turbine exhaust port from the wastegate bypass port to eliminate exhaust stream interference in stock turbine housings. Designed for 1989 2002 Nissan Skyline GT R models with RB26DETT engines, it delivers smoother exhaust flow, lower backpressure, and consistent boost pressure across the RPM
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  • We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 246 reviews
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Verified Purchase
Kody
Cuba, US
★★★★★ 1
Bad quality overall
Terrible quality, has melted plastic, does not fit at all. Please avoid this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2025
L
Verified Purchase
Leo I.
Massapequa, US
★★★★★ 5
Clean
Look really clean I just need the side markers now
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Reviewed in the United States on April 9, 2024
G
Verified Purchase
Giovany Gil
Waukegan, US
★★★★★ 2
Won’t fit like oem
It doesn’t fit well and had to modify it to get it as close as possible
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
M
Verified Purchase
Miguel R.
Carnegie, US
★★★★★ 5
Look good :)
Style: Gloss Black Double Slats, Size: F30(2012-2018)
Good fitment, looks nice. The grill is easier to remove using a pick tool, no need to remove the bumper.
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Reviewed in the United States on October 20, 2025
C
Verified Purchase
cody McCrary
Chelsea, US
★★★★★ 5
Great
Style: Gloss Black Double Slats, Size: E46(2003-2006)2-Door, Style: Gloss Black Double Slats, Size: E46(2003-2006)2-Door
Great fit and finish definitely a great cheap replacement
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Reviewed in the United States on April 4, 2026

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