Haltech Elite 2500 Adaptor Harness ECU Kit

Haltech Elite 2500 Adaptor Harness ECU Kit

Marsoni

M251S

$1209.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Haltech Elite 2500 Adaptor Harness ECU KitElite 2500 with RACE FUNCTIONS Plug 'n' Play Adaptor Harness ECU Kit Nissan Skyline R32 33 GTS T GT R, & R34 GT R, Includes M14 x 1. 5 Air Temp Sensor (inc plug & pins).

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Don’t get me wrong it’s not a horrible product but these wires have an extreme amount of resistance to them, and once they get hot they drop voltage drastically. It was nice it came with a bunch of eyelets and made it easy to assemble but unfortunately once they were over 100F temp (live in Florida so cars get way hotter than that on the inside) the voltage would go from a normal 12.5-13.5v all the way down to 8v. Partially my fault I did not notice they were CCA wire instead description, would not recommend for automotive use.

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Reviewed in the United States on June 25, 2025

Verified Purchase

Freddy

Massapequa, US

★★★★★ 5

Good price works great

Great product

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Reviewed in the United States on May 21, 2026

Verified Purchase

Chris Crittenden

Belleville, US

★★★★★ 5

Amplifier

Works good

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Reviewed in the United States on April 29, 2026

Verified Purchase

Shawn

Los Angeles, US

★★★★★ 1

Low quality. Recommend something from a better brand.

Low quality. Seemed fine until the first one I ordered one of the terminals broke off with very little tightening force. The replacement i had ordered worked for a few days then quit working altogether. Overall disappointed.

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Reviewed in the United States on April 8, 2026

Verified Purchase

Ailyn

Cuba, US

★★★★★ 5

Bueno

Lo recomiendo

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Reviewed in the United States on March 21, 2026