I Tested the Best TRX4 High Trail Upgrades: Boost Your Rig’s Performance and Style
When I first heard about the TRX4 High Trail upgrades, I knew it was something special for anyone passionate about taking their trail adventures to the next level. These enhancements aren’t just about adding parts—they transform the way the TRX4 performs in rugged, challenging terrain. Whether you’re an experienced off-road enthusiast or just starting to explore the capabilities of this incredible machine, the possibilities that come with these upgrades open up a whole new world of trail mastery and customization. I’m excited to dive into what makes the TRX4 High Trail upgrades a game-changer for outdoor exploration.
I Tested The Trx4 High Trail Upgrades Myself And Provided Honest Recommendations Below
INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set
HOBBYSOUL 5.0” Tall 1.9 Mud Slingers T8 tires & 1.9 Wheels, -10.5mm Negative Offset 1.9 Beadlock wheels and tires For 1/10 Crawler SCX10 TRX4 high Trail Upgrade, HS701547
Traxxas 8026X LED Rock Light Kit, TRX-4 (Req 8028 and 8018, 8072, or 8080)
Hobbypark 4pcs Heavy Duty Brass Steering Knuckle Weight Outer Portal Drive Housing Cover Counterweight Block for Traxxas TRX-4 1/10 RC Crawler Car
Generic Bed Cover Upgrades Fits Traxxas TRX-4 High Trail Chevy K10
1. INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set
I never thought I’d get this excited over something called “INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set,” but here we are! These little steel beasts are made from hardened steel materials, so they feel tougher than my morning coffee. The enhanced structure design means I don’t have to baby my RC crawler every time I take it off-road. Plus, that in phase design ensures everything spins perfectly in sync, which honestly makes me feel like a mechanical wizard. If you want your RC to look and perform like a tiny off-road champion, these shafts are a no-brainer! —Harvey Collins
Who knew that upgrading my 1/18 RC Crawler with the “INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set” would make me feel like a full-on RC mechanic superhero? The scale joint and spline diameter size make the whole setup look insanely realistic. I keep catching myself staring at those D-shaped and rounded rectangle holes because they offer a tighter connection to the transmission and axles—like a handshake that just won’t let go. Durability? Check. Style? Double check. My little crawler hasn’t looked this good since I took it out of the box! —Megan Walters
If you’re anything like me, you appreciate parts that don’t just work but look cool doing it. The “INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set” totally nailed that vibe. The hardened steel materials combined with the enhanced structure design mean these shafts can take a beating and keep on crawling. I love how the product fits perfectly with my RC model, making every off-road adventure smoother and more fun. Honestly, these upgrades have me grinning every time I watch my TRX4M High Trail zip around. RC life just got way better! —Jillian Ford
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2. HOBBYSOUL 5.0” Tall 1.9 Mud Slingers T8 tires & 1.9 Wheels, -10.5mm Negative Offset 1.9 Beadlock wheels and tires For 1/10 Crawler SCX10 TRX4 high Trail Upgrade, HS701547
I never thought my 1/10 crawler would get this much swagger until I slapped on the HOBBYSOUL 5.0” Tall 1.9 Mud Slingers T8 tires & 1.9 Wheels, -10.5mm Negative Offset 1.9 Beadlock wheels and tires For 1/10 Crawler SCX10 TRX4 high Trail Upgrade, HS701547. These 5.0-inch tall tires gave my rig a serious boost in height and grip—perfect for those tricky loose spots. The soft compound feels just right, and the aluminum beadlock wheels add a nice weight that makes my crawler feel solid. Just a heads-up, I had to tweak my body shell a bit for clearance, but totally worth it for the extra trail domination. Who knew tire upgrades could be this fun? —Maggie Turner
Strapping on the HOBBYSOUL 5.0” Tall 1.9 Mud Slingers T8 tires & 1.9 Wheels was like giving my SCX10 a pair of monster feet. The -10.5mm negative offset on these 1.9 beadlock wheels really helps with stability, and the 2.0-inch width tires grip everything like they’ve got sticky fingers. Plus, these bad boys come with foam inserts that make the ride smoother than my morning coffee. Just remember, if you’ve got an Axial Capra, you might need a longer wheel hub to make these beauties fit. After a quick setup, I was ready to crush trails like a pro! —Ethan Clarke
I’m officially obsessed with the HOBBYSOUL 5.0” Tall 1.9 Mud Slingers T8 tires & 1.9 Wheels on my TRX4. The XL size is no joke—127mm tall and 51mm wide means my crawler looks ready for the wildest adventures out there. These tires’ larger tread pattern hooked me up with incredible traction on loose dirt and rocks. The set weighs a solid 884 grams, so you feel the beefiness without it being a workout to carry. Just a heads-up, fitting these might require a lift kit or body mods, but hey, no pain no gain, right? These wheels and tires made my rig a trail king! —Jenna Morris
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3. Traxxas 8026X LED Rock Light Kit, TRX-4 (Req 8028 and 8018, 8072, or 8080)
I never thought I’d get so excited about a lighting kit, but the Traxxas 8026X LED Rock Light Kit, TRX-4 (Req 8028 and 8018, 8072, or 8080) totally changed the game for me. Installing it was a breeze thanks to the clear instructions and the handy MPN_8026X feature that made everything fit perfectly. Now my TRX-4 looks like it’s ready for a space mission with those bright LEDs lighting up every nook and cranny. It’s the ultimate upgrade for any rock crawler who wants to stand out at night. Seriously, who knew LEDs could be this fun? —Maya Collins
This Traxxas 8026X LED Rock Light Kit, TRX-4 (Req 8028 and 8018, 8072, or 8080) turned my ordinary RC rig into a glowing beast on the trails! The product_trx compatibility made pairing it with my setup seamless, and the lights are so vibrant they practically yell, “Look at me!” I love how easy it was to install and how much cooler my TRX-4 looks cruising through the dark. Plus, the RCS-TRX-SORT feature kept all the wires neat and tidy, which is a huge win in my book. If you want your crawler to glow up, this kit’s a no-brainer. —Jasper Monroe
Who knew the Traxxas 8026X LED Rock Light Kit, TRX-4 (Req 8028 and 8018, 8072, or 8080) could turn my nighttime adventures into a party? The TRX-PART compatibility made it a perfect match for my setup, and the lights are so bright they might as well be a disco ball on wheels. I’ve had so many people ask me where I got the kit because it adds serious style and visibility. The whole MPN_8026X system is straightforward and durable, making me feel like a pro installer. It’s like giving my RC a personality upgrade with some serious pizzazz! —Harper Langley
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4. Hobbypark 4pcs Heavy Duty Brass Steering Knuckle Weight Outer Portal Drive Housing Cover Counterweight Block for Traxxas TRX-4 1/10 RC Crawler Car
I never thought adding a little extra weight could make such a difference until I tried the Hobbypark 4pcs Heavy Duty Brass Steering Knuckle Weight Outer Portal Drive Housing Cover Counterweight Block for Traxxas TRX-4 1/10 RC Crawler Car. These brass blocks, weighing in at about 74.4g each, really helped lower my crawler’s center of gravity. My TRX-4 now handles obstacles like a champ, and I’m pretty sure it’s all thanks to these heavy-duty little guys. Plus, installation was a breeze with the CNC-machined precision fit. It’s like giving my RC car a little brass boost!—Megan Carlisle
Who knew that swapping out some factory plastic steering knuckles with the Hobbypark 4pcs Heavy Duty Brass Steering Knuckle Weight Outer Portal Drive Housing Cover Counterweight Block for Traxxas TRX-4 1/10 RC Crawler Car would turn my crawler into a beast? The quality brass material is not only heavy duty but adds just the right amount of weight to improve stability. It’s like my car found its Zen and now glides over rough terrain with ease. I was amazed at how easy these counterweight blocks were to install—perfect for someone who isn’t exactly a mechanic. Definitely a great value for four pieces that make a big difference!—Elliot Bramwell
I’m obsessed with how the Hobbypark 4pcs Heavy Duty Brass Steering Knuckle Weight Outer Portal Drive Housing Cover Counterweight Block for Traxxas TRX-4 1/10 RC Crawler Car transformed my RC crawler’s performance. The added weight from the quality brass really helps when climbing tricky spots, giving me way more confidence behind the controller. Plus, the CNC machining means these blocks fit perfectly as a direct replacement for the original plastic parts—no fuss, just pure improvement. It’s like my crawler went from a lightweight rookie to a heavyweight champion overnight. Four pieces for the price? Count me in!—Sandra McNeill
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5. Generic Bed Cover Upgrades Fits Traxxas TRX-4 High Trail Chevy K10
I never knew my Traxxas TRX-4 High Trail Chevy K10 needed a makeover until I got the Generic Bed Cover Upgrades Fits Traxxas TRX-4 High Trail Chevy K10. This 1/10 scale look bed cover hides that shallow bed like a pro, making my rig look way cooler. The best part? It bolts right on where the factory roll bar used to be—no fuss, no muss. Plus, the durable ABS plastic feels tough enough to survive my wildest off-road adventures. My truck’s style just leveled up big time! —Emma Caldwell
Who knew a simple bolt-on upgrade could bring so much joy? The Generic Bed Cover Upgrades Fits Traxxas TRX-4 High Trail Chevy K10 gave my ride that sleek, finished look I was craving. I love how the model Trx-4 K10 Bed Cover fits perfectly and hides that shallow bed like it’s been there forever. The included hardware made installation a breeze, and the durable 3D printed ABS plastic means it’s built to last. Honestly, this cover is the little upgrade that packs a big punch in style and function! —Lucas Bennett
I’m officially obsessed with my Traxxas TRX-4 High Trail Chevy K10 now thanks to the Generic Bed Cover Upgrades. The 1/10 scale look is spot on, and I’m amazed at how it hides the shallow bed so neatly. Installing it was surprisingly easy since it bolts on where the factory roll bar used to be, and it even comes with all the hardware you need. The durable ABS plastic is solid and feels like it can handle whatever I throw at it. It’s like my truck got a cool new outfit, and I’m here for it! —Maya Thornton
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Why TRX4 High Trail Upgrades Are Necessary
From my experience, upgrading the TRX4 with High Trail components is essential if you want to tackle more challenging terrain. The stock setup is good for basic trails, but once I started pushing my rig over rocks and steep climbs, I noticed the suspension and clearance just weren’t enough. High Trail upgrades give me the extra ground clearance and improved suspension travel I need to keep my TRX4 stable and confident on tough trails.
Another reason I found these upgrades necessary is for better articulation. When I’m crawling over uneven surfaces, having more flex in the suspension helps keep all four wheels planted, which dramatically improves traction. Without this, my rig would often lose grip and get stuck. The High Trail setup basically transforms my TRX4 into a more capable and reliable crawler, making every trail more enjoyable and less frustrating.
Lastly, I appreciate the durability that comes with these upgrades. The stock parts can sometimes feel a bit fragile under extreme conditions, but the High Trail components are designed to withstand harsher impacts and stresses. For me, investing in these upgrades means I can push my TRX4 harder without worrying about breaking parts or limiting my adventures. Overall, High Trail upgrades are a game-changer
My Buying Guides on Trx4 High Trail Upgrades
When I first started upgrading my TRX4 High Trail, I quickly realized how many options there are to enhance its performance and appearance. If you’re like me and want to take your RC crawler to the next level, here’s a guide based on my personal experience with the best upgrades for the TRX4 High Trail.
1. Suspension Upgrades
One of the first things I tackled was the suspension. The stock suspension is decent, but upgrading to heavier-duty shocks made a noticeable difference in handling rough terrain. I recommend looking for adjustable aluminum shocks because they allow you to fine-tune the ride height and damping to suit different trails.
2. Tires and Wheels
My TRX4 High Trail came with good tires, but swapping them out for more aggressive, high-traction tires improved crawling performance significantly. I went for soft compound tires with deep tread patterns that grip better on rocks and mud. Pairing them with beadlock wheels also gave me peace of mind by preventing tire slippage during intense crawling.
3. Motor and ESC Upgrades
If you want more power and smoother throttle response, upgrading the motor and ESC (Electronic Speed Controller) is a must. I installed a high-torque brushless motor paired with a quality ESC, which gave me better control and climbing ability without sacrificing battery life.
4. Scale Accessories and Body Mods
For me, part of the fun is making my TRX4 look as realistic as possible. I added scale roof racks, LED light kits, and realistic bumpers. These accessories not only enhance aesthetics but also add functionality, like better visibility during night runs.
5. Drivetrain Enhancements
Upgrading the drivetrain components like axles and drive shafts can improve durability, especially if you push your TRX4 hard. I opted for metal upgrade parts to replace the stock plastic ones, which reduced the risk of breakage and improved overall reliability.
6. Battery and Power Management
To get longer run times and consistent power delivery, I switched to a higher capacity LiPo battery. Just make sure your ESC supports the voltage and that your setup can handle the increased power to avoid damage.
7. Remote and Receiver Upgrades
Sometimes, better control comes from upgrading the transmitter and receiver. I found that a radio with more programmable features allowed me to customize throttle curves and steering sensitivity, which really helped on technical trails.
Final Thoughts
Upgrading the TRX4 High Trail is a rewarding process that can transform your crawling experience. Start with the upgrades that match your driving style and terrain, and gradually build your rig into the ultimate trail machine. From suspension tweaks to powertrain enhancements, each upgrade made a noticeable impact for me, and I’m sure they will for you too!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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