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Mountain Pass Performance Camber Arms, Toe Arms, and Cyber Rear Arm Review

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Having gone from coil overs to air suspension, having the ability to go low but still maintain drivability and the ability to adjust the rear alignment was critical. Prior, I was still running the factory arms and like everyone else, experienced the wandering while driving on CA highways. Not a pleasant experience.

Although I had a shop do them for me, the install looks to be fairly simple. Instructions can be found on Mountain Pass's website here:


Once it was finished, I immediately had my alignment done. I opted to do -2 degrees of camber all around and zeroed out the toe. Immediately the wandering I would experience in the rear disappeared. Cornering around the highway on-ramps was much better as well.

My car is a daily and not a track car, but I highly recommend getting all three if you can afford it. It really does make a huge difference especially if you lower your car either an inch or slam it.

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Reactions: jjsee and tom @ eas
Having gone from coil overs to air suspension, having the ability to go low but still maintain drivability and the ability to adjust the rear alignment was critical. Prior, I was still running the factory arms and like everyone else, experienced the wandering while driving on CA highways. Not a pleasant experience.

Although I had a shop do them for me, the install looks to be fairly simple. Instructions can be found on Mountain Pass's website here:


Once it was finished, I immediately had my alignment done. I opted to do -2 degrees of camber all around and zeroed out the toe. Immediately the wandering I would experience in the rear disappeared. Cornering around the highway on-ramps was much better as well.

My car is a daily and not a track car, but I highly recommend getting all three if you can afford it. It really does make a huge difference especially if you lower your car either an inch or slam it.

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I’m also going with air suspension in 4 days!! I bought the rear camber arms for my RWD M3 so going to have them installed when they do the suspension. I noticed that you got your car aligned in Westminster, CA which is near me. Do you recall the cost? Which year/model do you have? Mine is a 2022 which has the slightly heavier LFP battery as well. Still debating on the getting the other 2 parts.