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Description
Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Silver w/ WBK PipesBuilt to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017 2019 6. 6L Duramax L5P is an absolute workhorse. However, as with any factory vehicle, some systems have limitations and areas that can be improved. Our engineering team has specifically identified the L5P's intercooler system as one of these areas. As a result, we've developed a performance intercooler kit for the 2017 2019 Chevrolet GMC 6.
Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolute workhorse. However, as with any factory vehicle, some systems have limitations and areas that can be improved. Our engineering team has specifically identified the L5P's intercooler system as one of these areas. As a result, we've developed a performance intercooler kit for the 2017-2019 Chevrolet/GMC 6.6L Duramax L5P.This kit includes a massive 68mm-thick bar-and-plate intercooler with cast-aluminum end tanks and 3.0in mandrel-bent piping for maximum cooling and flow. Our intercooler is 70-percent thicker than stock and is designed to be a robust unit capable of withstanding high temperatures and boost pressures without cracking. In addition, our end tanks also feature larger inlets and outlets for even more flow. That, coupled with the larger intercooler core, reduces restriction by over 64-percent compared to the stock intercooler.Our kit also includes hot-side and cold-side intercooler piping with DuraCore™ boots and constant-tension T-bolt clamps. Our 3.0in mandrel-bent aluminum piping eliminates the restrictive stock resonator and improves flow by up to 55-percent over stock. The Mishimoto L5P Duramax intercooler pipes fit like stock thanks to the included CNC-machined quick-disconnect fitting with new O-rings and spring clip, bead-rolled pipe ends, and mounting locations for factory sensors and harnesses. Our pipes also include three bungs that can be drilled and tapped for sensors or water/meth injection.The Mishimoto 6.6L Duramax L5P Performance Intercooler Kit is a direct fit for your 2017-2019 Chevrolet or GMC HD truck and is a fantastic upgrade for both stock and heavily modified trucks. Like all our Duramax performance parts, this L5P intercooler kit is protected by our signature Mishimoto Lifetime Warranty.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2017-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2017-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2017-2019 | GMC | Sierra 2500 HD | Base |
| 2017-2019 | GMC | Sierra 2500 HD | Denali |
| 2017-2019 | GMC | Sierra 2500 HD | SLE |
| 2017-2019 | GMC | Sierra 2500 HD | SLT |
| 2017-2019 | GMC | Sierra 3500 HD | Base |
| 2017-2019 | GMC | Sierra 3500 HD | Denali |
| 2017-2019 | GMC | Sierra 3500 HD | SLE |
| 2017-2019 | GMC | Sierra 3500 HD | SLT |
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
4.2 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 4
Comfortable and Stylish Shoes
Size: 8.5, Color: British Tan/Ivory
These shoes are very comfortable and stylish. The quality feels great, and they fit perfectly. I can wear them for a long time without discomfort. They look elegant with both casual and dress clothes. Definitely worth the price and I would recommend them to others. ⭐⭐⭐⭐⭐
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great Shoe
Size: 10.5 Wide, Color: Black Leather/Black
Great shoe! Especially for those that are on the move in a professional setting for a lot of the day. The only issue I’ve had with these so far are my shoe laces are warping. The shoe itself is holding up great.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
A great purchase
Size: 10.5, Color: British Tan/Ivory
These shoes are very comfortable and attractive. Lots of people noticed them when I first wore them. I would not consider them the most dressy shoes you can buy, but they work for "business casual" and most other outfits (but not shorts).
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Reviewed in the United States on April 24, 2026
★★★★★ 4
All-Day Comfort for 10+ Hour Workdays. Finally Found a Pair That Holds Up
Size: 12, Color: Black Leather/Black, Size: 12, Color: Black Leather/Black
After years of trying different “comfortable” dress shoes, this is the first pair I’ve owned that I can wear for a full 10+ hour workday without counting down the minutes to take them off.
For context, I’m a retail district manager. I’m on my feet most of the day walking stores, standing in conversations, moving constantly. I’ve owned Clarks, Rockport, and even higher-end dress shoes, and while some started out comfortable, none of them held up for an entire day without foot fatigue setting in.
These Cole Haan shoes are different.
What stands out:
All-day comfort: No mid-day foot pain, even after long shifts.
Solid construction: Genuine leather that takes and holds a polish well.
Supportive sole: Noticeably helps with impact from constant walking.
Great value: Performs better than shoes I’ve paid significantly more for.
I also appreciate that they hit a nice middle ground stylistically; more business casual than formal, but still sharp enough for most professional environments.
For additional context, I am a heavier individual and tend to wear down the outer (lateral) edge of my shoes first. That pattern holds true here as well.
The only drawback:
After about two months of wearing them 5 days a week (purchased January 7th), the sole shows more wear than I would expect at this point. It’s not a dealbreaker, but it’s the reason I’m giving 4 stars instead of 5. I’ll be including a comparison photo between the worn pair and a new pair for reference.
That said, I still expect to get around 8–10 months of use out of them, which at this price point is more than fair.
Bottom line:
If you need a comfortable, reliable, and reasonably priced work shoe for long days on your feet, these outperform just about everything else I’ve tried, and that’s why I bought a second pair.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
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