Forza Horizon 5: How to complete the Mountainside Speed Trap challenge for the Series 17, Week 1 Festival Playlist

The Series 17, Week 1 Festival Playlist in Forza Horizon 5 includes a Speed Trap challenge that requires players to put the pedal to the metal straight down a mountainside. Since this can make for a bumpy, tricky ride, we’ve decided to put together the following guide and show you how to complete the Mountainside Speed Trap challenge with a speed of 180 miles-per-hour so you can become one step closer to securing your very own 2023 Nissan Z from the playlist rewards.

How to complete the Mountainside Speed Trap challenge at 180 MPH

To complete the Mountainside Speed Trap weekly challenge at 180 MPH, I broke out the trusty 2010 Mosler MT900S. I find myself using the Mosler MT900S with some regularity when it comes to S2 998 Anything Goes requirements, particularly on offroad terrain as it has top-notch speed, grip and a proficient tune by Sineap that I’ve been able to use for several similar festival playlist challenges in the past.

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As I’ve said in previous Forza Horizon 5 Festival Playlist challenge guides, “this tune gives the Mosler an Acceleration, Speed and Launch rating of 10.0, a Braking rating of 9.9, a Handling rating of 9.0 and an Offroad rating of 7.8. It allows the Mosler to hit a top speed of 258 MPH, 0-60 MPH in 2.272 seconds and 1,059 HP on Rally suspension and tire compound.”

You’ll want to start off about 620 yards from the north so that you’re going downhill as fast as possible as you approach the speed trap. In my experience, it’s not possible to complete this challenge going uphill, so be ready to barrel down the mountain. Even though the Mountainside Speed Trap seems ostensibly straightforward, you’ll need to try to stay to the left side of the path to avoid hitting bumps on the road surface that’ll rattle or bounce your vehicle unnecessarily — or in the worst case scenario, off the side of the mountain itself.

If you need a more visual reference on how to complete the Mountainside Speed Trap at 180 MPH for this week’s festival playlist challenge in Forza Horizon 5, refer to our video below.

Enjoy your Super Wheelspin.

Did this guide help you complete the Mountainside Speed Trap challenge at 180 MPH for the Series 17, Week 1 Festival Playlist? Let us know in the comments.