JBR Rear Motor Mount Chromoly 88A Mazdaspeed 3 2007-2013

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James Barone Racing Rear motor mount for the MAZDASPEED 3. This mount is constructed out of 4130 Chrome-Molly Steel and TIG welded. If your serious about eliminating wheel hop and improving shifts this is an essential modification for your Mazda.

70 Billet: -Daily, spirited driving
-Not design for launching or hard shifting

80 Billet: -Daily, aggressive driving
-Not design for launching or hard shifting

Chromoly: -Daily, aggressive driving
-Designed for launching & hard shifting

WHY A JBR Motor Mount?
Custom 88a Durameter urethane bushing
Aesthetically pleasing
Reduced drive train slop
Better throttle response
Precise shifts
Improved 1/4 mile times
Bolt-on installation

JBR Limited Warranty

21 Reviews Hide Reviews Show Reviews

  • 5
    Motor mount

    Posted by Vincent Cicalese on 20th Jun 2020

    Works amazing

  • 5
    Must have upgrade!

    Posted by Unknown on 9th Jul 2018

    This upgraded mount makes a world of difference in how the car feels. Shifting gears , and accelerating feel much more solid, and composed. Minimal vibration and noise increase. With how easy the install is, and the low price; this should be one of the first mods to your Ms3.

  • 5
    Omg woow!!!

    Posted by Unknown on 20th Apr 2018

    If you want to feel into a race car, take it soon. The vibrations are very present by I don't dislike it. The shifter, the wheels hop, etc....all is better now :).

  • 5
    Great quality!

    Posted by Unknown on 9th Oct 2017

    88 duro meter, does everything it's designed to do. Heavy vibes for the first 50 miles. Only issues I had was install, bolt holes was off 1/8 inch or so... slight difficulty installing. Just use a pry bar don't be a p***y.

  • 5
    Amazing motor mount

    Posted by Unknown on 8th Jun 2017

    Bought this to replace my junky stock motor mount. Bought the 88. Very impressed with the quality. After the install i took my car out and spun my tires in 3rd gear. I was blown away. no more wheel hop either. My shifts are now super smooth and I have no more clunking while shifting with spirited driving. The vibrations were a little rough for the first 50ish miles but its no big deal. Well worth the price for what you get. You won't be disappointed.

  • 5
    Great rear mount

    Posted by James on 17th Nov 2016

    The JBR RMM is a great mount for the price, construction is top notch and shift quality is much improved. I was worried about increased vibes and noise since it's 88 duro, but while there was an increase it was barely noticeable and well worth it for the increased performance!

  • 5
    Dogbone or Go Home

    Posted by Jay on 5th May 2015

    The 88A durometer JBR RMM is no joke. I upgraded to this mount from the stock wet noodle of a mount that came with the car. The vibes are definitely noticeable below 2k RPM and when the A/C is on, but if you are going to complain about vibes (very little at that), then don't buy this mount. You bought a beast of a car.

    I bought this mount, because of torque steer, wheel hop, and mushiness that I felt from the motor. All of that was eliminated and more (#becauseracecar) by this motor mount.

    Either have a friend help you or get a shop to install it for you. I messed up a socket installing this, so I had a shop tap the socket and install it for me. Make sure you torque it down to 70+ ft/lb of torque as this part receives a lot of engine stress.

    Overall, this is a solid mount that brings your car to life and makes it easier drive. Have fun with it! I love it!

  • 5
    88A Durometer

    Posted by Em cri. on 17th Dec 2014

    This is truly the best!
    I had a cpe 1st time and it was ok but i think it was kind a soft for the lunch control. .then 2nd had a SU brand for aggressive driving it was great at beginning but after about 3000 miles it got kinda soft too , so i wanted to give this one a far its the toughest..hope it will last. NO wheel hops anymore. forgot to mention that the previews m mount when i head hooked up with access port tunner started to hop again..much torque added..but Not with this one so far..

  • 5

    Posted by casey on 11th Dec 2014

    Love the the way this rmm makes the car feel and only took 5 mins to install.