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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Evolution Cts3 For 2020-2023 Gm Duramax - Ecm/Tcm Unlock Capabilities-85400-261ECM TCM Unlocking, tuning and monitoring is now possible, right from the cab of your truck with the exciting release of Evolution CTS3 for 2020 2023 GM L5P Duramax. After the massive success of our EvoHT2 and Locksmith device, we now offer the same class leading tuning and first of it's kind ECM unlocking technology with the industry's leading touchscreen monitoring device, the CTS3. Using our revolutionary Locksmith device and included unlock cables,
ECM/TCM Unlocking, tuning and monitoring is now possible, right from the cab of your truck with the exciting release of Evolution CTS3 for 2020-2023 GM L5P Duramax. After the massive success of our EvoHT2 and Locksmith device, we now offer the same class leading tuning and first of it's kind ECM unlocking technology with the industry's leading touchscreen monitoring device, the CTS3. Using our revolutionary Locksmith device and included unlock cables, the Evolution CTS3 now offers complete ECM and TCM unlocking for 2020-2023 models. Our Evolution for GM Diesel has supported 2001-2016 model years and sold thousands of devices, the addition of 2017-2023 L5P Duramax completes our Duramax tuning support for complete market domination. This is a complete all-in-one device, saving you time and money over the competitive offerings in the space when it comes time to modify your late model GM diesel truck. The included 10-speed TCM trans tuning will make your truck daily and tow like you didn't think it could. Evolution CTS3 offers massive power gains (as much as 125hp/275tq to the tires) with improved throttle response, quicker turbo spool-up, better fuel economy and user control over their driving experience, don't wait and unlock your L5P's max potential. Purchase Evolution CTS3 today! A PC and our downloadable Update Agent software will be required in order to complete this tune process **Device can unlock and tune only one vehicle. Once the ECM is unlocked and flashed, the flash can be returned to factory settings, but the Unlock process can not be reversed. If VIN lock and ECM Unlock has been completed, device is non-returnable
Features:
- In-vehicle ECM/TCM unlock
- Adds up to 125hp/275tq to the tires at Peak RPM's
- Monitor displays important data like Soot, Miles Since Last Regen, EGT's, Boost and Fluid Temperatures
- 10-speed transmission tuning included, with choice of four calibrations to fine tune your experience (Economy, Tow, Performance, Extreme)
- Throttle Boost feature allows user adjustable pedal sensitivity
- Economy (50hp/100tq), Towing (75hp/160tq), Performance (90hp/180tq), Extreme (125hp/275tq) *Peak RPM Gains
- 1.3 seconds faster in the 1/4-mile, gained 8mph!
- Remember last button setting for drive mode, exhaust brake, tow/haul, and grade braking
- Calibrate speedometer for tire sizes 26-38"
- Command manual DPF regeneration cycle
- Allison Transmission Relearn
- Adjust speed and rev limiters
- Read and clear DTC's
- Adjust Idle Up feature for 600-1800rpms
- Great for daily driving and towing performance
- Tuning has passed all in-house emissions testing with CARB EO submissions being processed
- Calibrations developed to offer clean, efficient DPF friendly performance
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Calidad en Tela y presentación.
Size: 10, Color: Beige
El Traje divino, tal como la imagen. Solo le quedó un tris grande a mi hijo y listo.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
⭐️⭐️⭐️⭐️⭐️ Perfect for My Suit-Loving 9-Year-Old 🤍👔✨
My 9-year-old is obsessed with suits, and this one was a total win! 😍 The 3-piece set (blazer, vest, and pants) makes him feel so grown-up and confident. The linen material is lightweight and breathable, which is perfect for warm weather ☀️ — and it doesn’t wrinkle easily, which I appreciate as a parent 🙌.
He loves that he can wear it different ways — full suit, just vest and pants, or blazer and pants. 👌 The fit looks sharp, and the adjustable waist is super helpful.
Perfect for weddings, school events, church, or any time he wants to dress to impress. 💙 Definitely a favorite in our house! 🎉
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Adorable special occasion suit for boys
Size: 5, Color: Light Blue, Size: 5, Color: Light Blue
I ordered this 3-piece suit for my son and even though it’s currently a little too big for him, I couldn’t resist keeping it because it’s absolutely adorable! The quality really impressed me right out of the package. The fabric feels lightweight and breathable, which will be perfect for warmer weather, and it has a nice polished look without feeling stiff.
The set comes with a blazer, vest, and pants, and each piece is very well made. I love the little details like the lapel on the jacket, the adjustable strap on the vest, and the adjustable waist on the pants, which will definitely help as he grows. It looks like a much more expensive suit than it actually is.
Even though my son will have to grow into it, I’m already excited for him to wear it. I’m thinking it will be perfect for Easter next year or any special occasion. It’s such a cute outfit, and I love that the pieces can be mixed and matched for different looks. Overall, I’m really happy with this purchase and can’t wait to see him wearing it! The blue color goes well for any occasion and I may have to order my husband a suit in matching shade of blue so they can be twins.
The size looks accurate for boys 5T. I took a picture to show the pants next to a pair of unwashed Oshkosh B’Gosh brand straight leg 5T boys denim jeans.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Perfect Summer Suit for Boys – Stylish and Comfortable!
Size: 5, Color: Light Green
I’m so impressed with this **boys' linen summer suit**! 👔🌞 It’s the perfect outfit for warmer weather while still looking sharp and stylish. The **linen fabric** is lightweight and breathable, making it ideal for those hot summer days. My son looked fantastic in it, and he was comfortable all day long, which is a big plus!
The suit fits **true to size**, and the cut is modern yet classic. The **jacket** has a great, tailored look without being too stiff, and the **trousers** are just the right fit—not too baggy or too tight. It’s a very **polished** look for events like weddings, family gatherings, or holiday parties.
I also love that the **color options** are vibrant and fresh, perfect for summer. The suit is **easy to care for**—I was worried about linen wrinkles, but it’s held up well after a few washes, and the fabric still looks crisp.
Overall, this **boys' linen summer suit** is an excellent purchase for any special occasion or just to make your little one look extra sharp during the summer months. **Comfortable, stylish, and durable**—highly recommend! 🌟👔
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Nice summer suit for my son
Size: 6, Color: Light Green, Size: 6, Color: Light Green
I got this linen suit for my 7 year old son and it looks really nice on him. The set comes with the blazer, vest, and pants, which makes it look very polished when worn together.
The material is lightweight and breathable, which is great for warmer weather. It has that classic linen look but still feels comfortable enough for kids to move around in. My son wore it for a few hours and didn’t complain about it being uncomfortable.
I also like the little details like the pockets, the adjustable back on the vest, and the adjustable waistband on the pants. Those features really help with getting a better fit.
Another nice thing is that you can mix and match the pieces. He can wear the vest and pants for a slightly more casual look or the full suit for more formal occasions.
Overall it’s a really nice suit for kids, especially for events like weddings, family gatherings, or school events. My son looked great in it and it worked perfectly for the occasion.
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Reviewed in the United States on March 11, 2026