Posted by Patrick Muschamp on 08 27 2014 03:22 PM

Model number: MMRAD-DMAX-06

Installation Guide Document


SKUs affected: MMRAD-DMAX-06; MMHOSE-CHV-06D


Common Installation Questions:

1. Leaking at lower hose connection.

2. Mishimoto supplied O-ring is not fitting in OEM lower hose connector with ease.



1. Customer should be using Mishimoto supplied o-ring within the OEM connector or Mishimoto CNC connector.  This will prevent leaking from occurring. If the O-ring has not bee provided, please contact with a copy of your receipt and your confirmed shipping information.


2. The early models for this application came with a thinner O-ring. GM superseceded the part with a thicker O-ring (an a new connector to house this thicker O-ring) to prevent leaks at the factory.  The Mishimoto supplied O-ring was created to replace the thicker O-ring GM now offers.  If a customer is having this issue, we suggest to either purchase the Mishimoto Silicone Hose kit, or part number 25841843 from the GM/Chevrolet dealership.


Parts Required:

- Mishimoto supplied O-ring



1. Previous thinner O-ring on the left, newer GM O-ring on the right

2. Previous thinner O-ring on the bottom, newer GM O-ring on top

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