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What's New

Coolant Pipe, Front (OEM) for B6-B7 S4, C6-A6 4.2L, C5-allroad 4.2L

JHM Intake Spacers (8mm thick) for C6-S6 and D3-S8 FSI V10
Motor Mounts (Pair) - Stern Pro w resistors for B6-B7 S4, C5 A6-S6 V8 and B7 RS4


JHM first brought these to market by modifying Stern's existing B5 S4 mounts that were 12mm too tall. We also developed the first set of resistors to eliminate the stock electronics built into the factory motor mounts that were prone to failure and setting ECU codes. We took what we learned and shared it with our friends at Stern so they could finalize their kit. So here they are.

We at JHM have these exact mounts on our in house 2005 S4 and 2007 RS4 R&D car. We are currently using the street bushings in the mounts and have found that the comfort is really close to stock. For the amount of tightening up of the drivetrain the small vibrations that can be felt sometimes at idle (in your feet if you really feel for it) are worth it. Also we have noticed small vibrations when the motor is winding down from a rev or while decelerating in gear at around 2000rpm. Like any performance mod you need to make some sacrific to get performance and we feel these are worth it and very streetable. Plus for a ton less $$$ than OEM mounts that are prone to failure. If you want to ultimate in drivetrain tightness then get the race bushings in your mounts, obviously you will lose some comfort over the street bushings.

This motor mount set is part of the new stern line of performance enhancements for the Audi S4, RS4 and A6 V8. This kit is designed as an upgrade to the soft expensive factory motor mounts which come standard with these vehicles. These heavy duty motor mounts are offered in two firmness levels to suit any performance application. These mounts also include appropriate circuitry to override the electronic monitoring of the factory motor mounts. They plug into the exact plug that the OEM mounts plug into and keep you from getting any motor mount codes.

Low and medium durometer polyurethane (choose option below) is used to help keep excessive vibrations to a minimum while still providing excellent strength and damping characteristics. These mounts maintain full isolation between the engine and chassis limiting the transfer of vibrations into the cabin.


2 firmness levels available
Factory fitment
Heavy duty durable casing Fully isolated
Completely serviceable
Electronic circuitry disabled

2003-08 Audi S4 All
2006-2008 RS4 All
C5 A6-S6 V8 All

Sold as a pair.

Installed on a B6-B7 S4 with JHM headers
Click to enlarge picture

Installed on a B7 RS4
Click to enlarge picture

For shipping quotes: Please sign in or join then put the items you want in your shopping cart and proceed to checkout.

Note: JHM works hard to make all fitment charts as accurate as possible please read the product description to make sure this is correct for your vehicle.
Make Model Year Range
AudiA6 - C52000 - 2004
AudiAllroad - C52000 - 2005
AudiRS4 - B72006 - 2008
AudiS4 - B62003 - 2005
AudiS4 - B72005 - 2008

Available Options:
Mount Bushing Stiffness:
This product was added to our catalog on Thursday 25 February, 2010.

JHM Automatic Transmission Cooler Kit for B6-B7 S4 w 4.2L (40v)

Transmission Filter for Automatic-Tiptronic (OEM) B6-B7 S4, B7-A4

Transmission Pan Gasket for Automatic-Tip (OEM) for all B6 and early B7 S4

Oxygen or O2 Sensor, OEM Bosch (Right Rear) for 4.2L V8, 04-08 B6/B7 S4

Coilover Kit, Height Adjustable (Vogtland) for B6-B7 A4-S4

Coil Pack Harness Wiring Protector or Conduit (OEM), Passenger Side for B6-B7 S4

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Copyright © 2016 JH Motorsports Inc.

JH Motorsports is not affiliated with or endorsed by Audi AG, Audi of America, Volkswagen AG, or Volkswagen of American or any other car company mentioned or whose logos are displayed in these web pages or our store. Audi®, Quattro®, Avant®, A4®, S4®, A6®, RS4®, RS6®, Allroad®, TT®, and Tiptronic® are trademarks of Audi AG. Volkswagen®, VW®, Golf®, Jetta®, Passat® and Beetle® are trademarks of Volkswagen AG. While we try to keep everything current, JH Motorsports is not responsible for errors in pricing on this web site. All prices are in US Dollars.

Some of these modifications and or parts are intended for off-road use only and may violate Federal or your State emissions standards. Also, end user assumes all risk with product performance and installation. JH Motorsports is not responsible for any bodily or mechanical harm, etc. as a result of use or misuse of any products.