✨ New Arrivals Just Dropped!Explore

Home

Store

PNP Harness & ECU

DIYAutoTune

Subscribe to our newsletter for exclusive offers, new arrivals, and style inspiration.

Shop

All Products
New Arrivals
Sale

Company

Shipping Info
FAQ
Contact Us

About

About Us
Returns
Privacy

PNP Harness & ECU | DIYAutoTune

NEW

Coyote PNP Harness & MS3Pro EVO+ HC Package

$2,399.99

NEW

Coyote Spare Wiring Bundle

$29.99

-65%NEW

ECU Power Package

$99.99

$35.00

-65%NEW

GM LS 24x PNP Harness & MS3Pro EVO+ Package

$1,899.99

$665.00

-65%NEW

50 Amp Fuse Holder Kit

$29.99

$10.50

-65%NEW

50 Amp Relay Kit

$19.99

$7.00

NEW

4 Position Power Distribution Block Kit

$39.99

-65%NEW

LS PNP Alternator Extension Harness

$24.99

$8.75

-65%NEW

MicroSquirt Transmission Controller & 4L60E Harness

$499.99

$175.00

-65%NEW

MicroSquirt Transmission Controller & 4L80E Harness

$499.99

$175.00

-65%NEW

GM LS 24x PNP Harness

$899.99

$315.00

NEW

LS 4L80E Transmission Control Harness

$279.99