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Best off-road performance upgrades for a Ram 1500 TRX owner?

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So I finally got my TRX and man I'm so stoked to hit the dunes out here near Vegas. The stock setup is insane but I really want to push it further before my big group trip next month. I've got about five grand saved up and I'm torn between two ways to go. Option one is grabbing some Method 101 beadlocks with 37-inch Nitto Ridge Grapplers since the extra clearance would be huge but then I'm also looking at the RPG Stage 2 kit to really dial in the rear end and stop the hopping. I cant decide if the tires or the suspension tweaks will give me more bang for my buck in the sand. Which one do you guys think I should pull the trigger on first?


3 Answers
12

Congrats on the TRX man, its a total beast. Jumping straight to 37s can get pricey fast once you factor in the trimming and extra strain on the front end. Ive seen guys regret the weight in the dunes. For sand, I would suggest leaning towards the suspension first to keep the tires on the ground.

  • Be careful with the Nitto Ridge Grappler 37x12.50R18 since theyre heavy and might rub without a level or more work.
  • I might want to consider the RPG Offroad TRX Stage 2 Kit first because it fixes the geometry and helps you actually put power down in the soft stuff.
  • To save some coin, look for the Method Race Wheels 703 Bead Grip instead of the Method Race Wheels 101 Beadlock. You get the grip needed for sand without the beadlock price or maintenance. Make sure to check the forum classifieds too. You might find some lightly used parts and keep a chunk of that five grand for gas money... Vegas dunes eat through fuel like crazy. Let me know if you need more help!


11

Dude congrats on the TRX!! You are gonna have a total blast in the Vegas dunes, it is such an amazing playground for that truck and honestly nothing else even comes close to how it feels on the sand. If you want to keep some of that 5k in your pocket for actual trips and gas, I would personally skip the 37s for now. The trimming and extra weight really suck the life out of the stock gearing, and you can get way more performance by being smart with the suspension and air pressure. To kill that rear end hop without blowing the whole budget on a Stage 2, I love the SDHQ Offroad Ram TRX Rear Billet Traction Bars. They are fantastic for keeping the axle planted when you're pinned in the soft stuff and they cost way less than a full leaf pack swap. Pair those with a Foutz Motorsports Ram TRX Rear Leveling Kit to get the stance dialed in for cheap. For tires, check out the Falken Wildpeak A/T3W 35x12.50R18. They are legendary in the dunes because the sidewalls flex so well, and they're usually a lot more budget-friendly than the Nittos. Also, get yourself a ARB Twin On-Board Air Compressor 12V CKMTA12. Dropping your pressure to 15-18 psi is gonna give you more traction than any 37-inch tire ever could at street pressure. It makes a massive difference in the dunes man!


3

Honestly man, I am dealing with the exact same dilemma right now and it is driving me crazy. I have been researching the technical specs for weeks because the TRX is such a complex platform to modify correctly. I am satisfied with the stock power, but the dune performance needs that extra edge and choosing between unsprung weight and rear-end stability is a massive headache. Here is what I have been weighing in my analysis:

  • Rotational inertia: Heavier setups like the BFGoodrich Baja T/A KR3 37-inch add significant strain on hub assemblies and affect shock rebound speed.
  • Rear axle geometry: The stock links allow for deflection under high torque, so I am looking at the RPG Offroad RAM TRX Billet Upper and Lower Links to maintain alignment.
  • Thermal load: Sand driving creates high load, so I am also considering the Mishimoto RAM TRX Performance Transmission Cooler to keep temps stable. It is a tough call when both paths are so critical for different reasons. I'm basically stuck in analysis paralysis trying to prioritize the physics of the suspension versus the footprint of the tires.


3

Yep been there done that. Can confirm everything said above is spot on.


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