2015 PACCAR 579 Exhaust Manifold

General returns or exchanges are limited to 30 days from the date on the invoice, parts must be in the same condition as they were at the time of purchase for a refund or exchange. High Mountain Horsepower is not a dealer and does not check or confirm parts compatibility. It is the customers responsibility to contact their dealer and perform a compatibility check prior to purchase. Incorrect parts returns are subject to a 10% restocking fee. Hoods and body pieces must be test fit prior to installation. Modified parts are not eligible for return or exchange. Electronics & electrical components are ineligible for return if they have been installed or tampered with. Shipping is NON-REFUNDABLE.