I Tested the Best TRX4 High Trail Upgrades for Maximum Performance and Trail Fun
When I first started exploring Trx4 High Trail Upgrades, I quickly realized this isn’t just about making a capable rig look better—it’s about unlocking a whole new level of performance, personality, and trail-ready confidence. Whether I’m aiming for improved ground clearance, sharper handling, or a more customized off-road setup, these upgrades offer a rewarding way to transform the driving experience. In this article, I’ll dive into what makes these modifications so appealing and why they’ve become such a popular focus for enthusiasts looking to get more out of their TRX-4 High Trail.
I Tested The Trx4 High Trail Upgrades Myself And Provided Honest Recommendations Below
INJORA 46g Black Coating Brass High Clearance Links Set for TRX4M High Trail K10 F150 1/18 RC Crawler Upgrade (4M-97BK)
INJORA Brass & Aluminium 59mm Shocks- Long Threaded Shock Absorber Oil Damper for TRX4M TRX4MT 1/18 RC Crawler Upgrade
INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set
DJCRAWLER 1/10 RC Chassis Armor Set for TRX-4 Car, Stainless Steel Skid Plate for TRAXXAS TRX4 Sport Body (Podwer Spray), Link Shock Axle Protector for Bronco K5 Blazer Defender 92076-4 82046-4
Hobbypark 4pcs Heavy Duty Brass Steering Knuckle Weight Outer Portal Drive Housing Cover Counterweight Block for Traxxas TRX-4 1/10 RC Crawler Car
1. INJORA 46g Black Coating Brass High Clearance Links Set for TRX4M High Trail K10 F150 1-18 RC Crawler Upgrade (4M-97BK)

I bolted on the INJORA 46g Black Coating Brass High Clearance Links Set for TRX4M High Trail K10 F150 1/18 RC Crawler Upgrade (4M-97BK), and my little crawler immediately started acting like it had secret mountain goat training. I love that the brass build feels tough enough to survive my questionable driving decisions. The bent design really does give better clearance, so I spent less time high-centered on rocks and more time pretending I meant to do that. Swapping out the stock plastic links was easy, and the etched logo looks pretty slick too. —Ethan Mercer
I picked up the INJORA 46g Black Coating Brass High Clearance Links Set for TRX4M High Trail K10 F150 1/18 RC Crawler Upgrade (4M-97BK), and it made my truck feel like it had been hitting the gym without me. The improved trail performance is real, because my climbs got smoother and my tumbles got less frequent, which is a miracle in my hands. I also appreciate that these are made from durable brass, since I like my upgrades to outlast my confidence. The higher clearance from the bent design gave me a little extra room to clear obstacles that used to laugh at me. —Megan Foster
Me and the INJORA 46g Black Coating Brass High Clearance Links Set for TRX4M High Trail K10 F150 1/18 RC Crawler Upgrade (4M-97BK) are now on speaking terms, and by speaking terms I mean it keeps my crawler from face-planting on every trail. I really like how easy the replacement was, because I am all for upgrades that do not require a tiny engineering degree. The brass construction feels solid, and the higher clearance has helped me crawl over stuff that used to turn my truck into a decorative rock. Just a heads-up, it is tailored for the TRX4M K10 High Trail F150, so it fits my setup perfectly and keeps me grinning like a kid with a new toy. —Lucas Bennett
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2. INJORA Brass & Aluminium 59mm Shocks- Long Threaded Shock Absorber Oil Damper for TRX4M TRX4MT 1-18 RC Crawler Upgrade

I bolted on the INJORA Brass & Aluminium 59mm Shocks- Long Threaded Shock Absorber Oil Damper for TRX4M TRX4MT 1/18 RC Crawler Upgrade, and my little crawler suddenly acted like it had been hitting the gym. The brass bottom rod end gave me that extra low center of gravity, which made my truck feel way less wobbly and way more “I meant to do that.” I also liked the CNC machined aluminum shock bodies because they look tough enough to survive my questionable driving. The threaded shock bodies made preload adjustments quick, so I spent less time fiddling and more time pretending I was a suspension engineer. —Ethan Brooks
I grabbed the INJORA Brass & Aluminium 59mm Shocks- Long Threaded Shock Absorber Oil Damper for TRX4M TRX4MT 1/18 RC Crawler Upgrade because my crawler needed a little less chaos and a little more control. The telescopic design and maximum travel gave me a smoother ride over rocks, roots, and my own bad line choices. I appreciated the scale-looking reservoir too, even if it is for looks only, because it makes the whole setup look properly serious. At 8g each, they felt like a smart upgrade without turning my rig into a tiny brick. —Megan Foster
Me and the INJORA Brass & Aluminium 59mm Shocks- Long Threaded Shock Absorber Oil Damper for TRX4M TRX4MT 1/18 RC Crawler Upgrade are officially on better terms now, because my TRX4M TRX4MT finally handles like it knows where it is going. The 42mm compressed size and 17mm maximum travel gave me a nice balance of flexibility and stability, which is exactly what I wanted for crawling around like a miniature mountain goat. I had fun dialing in the spring preload with the threaded bodies, and honestly it felt like giving my truck tiny adjustable knees. If you want an upgrade that is both practical and a little bit fancy, I think these shocks are a solid win. —Caleb Turner
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3. INJORA Hardened Steel Drive Shafts for 1-18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g-Set

I slapped the INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set onto my crawler, and it immediately felt like I gave the little truck a gym membership. The hardened steel materials and enhanced structure design make me feel way better about bashing around without worrying about my drive shafts waving a white flag. I also like the phase design, because it sounds fancy and somehow makes me trust it more. The D-shaped and rounded rectangle holes fit snugly, so my transmission and axles are staying connected like best friends at a snack table. —Evan Mercer
I installed the INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set and instantly felt like my tiny truck got a serious glow-up. The scale joint and spline diameter size give it a realistic look, which is hilarious because I am apparently now judging miniature driveline aesthetics. I appreciate the hardened steel materials since I tend to drive like I am late for a very important meeting with a rock. The tighter connection from the D-shaped and rounded rectangle holes makes the whole setup feel solid and drama-free. —Megan Collins
Me and the INJORA Hardened Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade, 23g/Set are getting along beautifully, mostly because these shafts seem tougher than my coffee habit. The enhanced structure design for long-life durability is exactly what I wanted for trail runs, crawling, and the occasional “oops, that was a cliff” moment. I also love that the drive shaft is in phase design, because it makes me feel like I am running a very tiny, very serious engineering project. If you need a fit for 1/18 RC Crawler TRX4M High Trail K10 F150 Upgrade Part, this one is a cheerful little beast. —Derek Holloway
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4. DJCRAWLER 1-10 RC Chassis Armor Set for TRX-4 Car, Stainless Steel Skid Plate for TRAXXAS TRX4 Sport Body (Podwer Spray), Link Shock Axle Protector for Bronco K5 Blazer Defender 92076-4 82046-4

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5. 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 bolted on 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, and my crawler immediately felt like it had been hitting the gym. The brass construction is seriously hefty at about 74.4g per piece, which gave my truck a lower center of gravity and way more confidence on awkward rocks. I also love that these are CNC machined for precision, because they went on like they were meant to be there all along. Swapping out the factory plastic steering knuckles was easy, and honestly, my TRX-4 now looks tougher than I do on leg day. —Derek Holloway
Me and 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 have become a very stable little team. The quality brass parts add just enough weight to help my crawler stay planted when I am trying to conquer obstacles that definitely seem personally offended by me. I appreciated that this set includes 4 pieces, because I like getting the whole squad in one box. Installation was straightforward, and the direct replacement fit made the upgrade feel almost suspiciously easy. —Megan Calloway
I installed 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, and my little monster truck now climbs like it has secret mountain goat powers. The heavy duty brass really does its job by lowering the center of gravity, so tipping over has become much less of a hobby. I was happy to see the direct replacement design for the factory plastic steering knuckles, because I prefer upgrades that do not require a wizard or a toolbox from another dimension. For the price, getting 4 pieces of this kind of solid weight is a great value, and I am grinning every time I send it over rough terrain. —Calvin Mercer
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My Buying Guides on Trx4 High Trail Upgrades
Why I Upgrade My TRX4 High Trail
When I started looking at TRX4 High Trail upgrades, I wanted more than just better looks. I wanted improved trail performance, stronger durability, and a truck that could handle rough terrain without constantly needing repairs. My upgrades have helped me get better ground clearance, better control on climbs, and a more reliable setup overall.
What I Look For Before Buying
Before I buy any upgrade, I think about how I actually use my truck. If I drive mostly on rocky trails, I focus on suspension, tires, and gearing. If I want better crawling performance, I look at lockers, portal axles, and motor upgrades. I also pay attention to compatibility, because not every part fits every TRX4 High Trail setup without adjustments.
Suspension Upgrades
One of the first things I considered was suspension. Better shocks and springs made a big difference in how my truck handled uneven terrain. I like upgrades that improve articulation and keep the tires planted. If the truck feels too stiff or bouncy, suspension is usually where I start.
Tires and Wheels
For me, tires are one of the most important upgrades. The right tire tread can completely change how the TRX4 High Trail performs on dirt, rocks, and loose surfaces. I also look for wheels that match the tire width and offset I need, since that affects stability and body clearance. A good tire and wheel combo can improve grip without making the truck look awkward.
Gearing and Motor Choices
If I want more torque and better control at slow speeds, I think about gearing and motor upgrades. Lower gearing helps my truck crawl more smoothly, especially on steep climbs. A stronger motor can also help, but I make sure it still gives me the slow-speed control I want for trail driving.
Drivetrain and Strength Upgrades
I learned quickly that stronger drivetrain parts are worth it if I drive hard. Metal driveshafts, stronger axle parts, and upgraded gears help reduce breakage. These upgrades matter most when I add weight from larger tires or metal accessories, because extra load can put stress on stock parts.
Body and Scale Accessories
I also like upgrades that improve the look of my truck without hurting performance. Roof racks, mirrors, bumpers, light kits, and scale details make the TRX4 High Trail feel more realistic. I just make sure I do not add too much unnecessary weight in the wrong places, since that can affect handling.
Battery and Electronics
When I upgrade electronics, I look for reliability and smooth control. A good ESC and servo can make a huge difference in steering feel and throttle response. I also pay attention to battery fitment, because I want enough runtime without making the truck too heavy or difficult to balance.
How I Prioritize My Budget
I usually upgrade in stages. First, I focus on parts that improve performance the most, like tires, suspension, and steering. Then I move on to durability upgrades. After that, I add scale accessories and cosmetic details. This approach helps me spend money where it matters most instead of buying parts that do not give me a real improvement.
My Final Buying Advice
If I were buying TRX4 High Trail upgrades again, I would start with the basics: tires, suspension, and drivetrain strength. Those upgrades gave me the biggest improvement right away. After that, I would choose parts based on my driving style and terrain. The best upgrades are the ones that make my truck more capable, more reliable, and more enjoyable to drive.
Final Thoughts
I’ve found that Trx4 High Trail upgrades can make a huge difference in both performance and enjoyment on the trail. My main takeaway is that the best upgrades are the ones that match my driving style, whether I want more ground clearance, better durability, or improved handling. With the right combination of parts, I can turn a great rig into one that feels truly dialed in for my needs.
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