SKU: 87073401162

Mishimoto Intercooler Pipe and Boot Kit, fits 6.6L Duramax (L5P) '17-'19, Polished

Sale price$418.95 Regular price$465.50
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Mishimoto Intercooler Pipe and Boot Kit, fits 6.6L Duramax (L5P) '17-'19, PolishedImprove the power and efficiency of your 2017 2019 Chevrolet GMC 6. 6L Duramax L5P with our Mishimoto intercooler pipe and boot kit. The factory L5P intercooler pipes are a measly 2. 5in diameter that chokes the engine, while tight bends and a resonator on the hot side create even more restriction. The Mishimoto intercooler pipes are 3in in diameter throughout with smooth transitions to significantly increase airflow, resulting in more power

Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with our Mishimoto intercooler pipe and boot kit. The factory L5P intercooler pipes are a measly 2.5in diameter that chokes the engine, while tight bends and a resonator on the hot side create even more restriction.The Mishimoto intercooler pipes are 3in in diameter throughout with smooth transitions to significantly increase airflow, resulting in more power potential. Our hot-side pipe also eliminates the stock resonator for maximum flow. Combined, the Mishimoto intercooler pipes are up to 55-percent less restrictive than stock.Both the hot-side and cold-side utilize a two-piece design for ease of install. To connect the pipes to our Duramax, this kit also includes our silicone boots with DuraCore™ technology. Mishimoto DuraCore™ technology is the synthetic material that comprises the innermost layer of all Mishimoto silicone diesel boots. Compared to normal silicone, DuraCore™ provides superior resistance to heat, pressure, fuel, and oil. This effectively increases the life of our boots by preventing leaks and blowouts.To add even more reliability, this kit includes Mishimoto constant-tension T-bolt clamps for accurate and consistent holding power. Our cold-side intercooler pipes also feature a CNC-machined quick-disconnect fitting with new O-ring and spring clip to ensure a secure and leak-free fit. Unlike other available pipes on the market, our pipes retain the intake air temp harness mounting location for safe and secure wire routing, just as Chevy/GMC intended. Our intercooler pipes also incorporate two bungs that can be drilled and tapped for sensors, so you can easily monitor your L5P's performance.The Mishimoto 2017-2019 Chevrolet/GMC 6.6L Duramax L5P intercooler pipe and boot kit is a direct bolt-on upgrade and is available in a polished or wrinkle black powder coated finish. Like all our Duramax products, this kit includes our Mishimoto Lifetime Warranty.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 87073401162

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Moneen Dudgeon
San Leandro, US
★★★★★ 5
Perfect for needs
Color: Khaki, Size: Small
Looks nice. Great fabric
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Reviewed in the United States on May 13, 2026
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Ad M
Massapequa, US
★★★★★ 4
Comfortable and Slick
Color: Grey, Size: X-Large
The track suit has been my tai chi workout go to. The fabric is light and non constrictive so I can move effortlessly. The material is soft and feels nice. Does not get too wrinkly when folded. The color is nice. Top fits nicely, true to size (6’ and 190 lbs). The bottoms are a bit baggy though but my bum is flat, so can complain. I think next time I would purchase separate pieces and go with XL top and L bottom. Perhaps mix the colors too so I don’t look like an orderly on break! I will caution on wearing this type of material over spandex or slippery underwear. I was walking my three large dogs and they got tangled and the leash snagged and pulled down my pants exposing my underwear to the world. Luckily, I had clean undies with no rips, although no one was around the trail we were on! This is my first Coofandy purchase and I would definitely purchase again.
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Reviewed in the United States on April 29, 2026
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Bryan Harris
Dallas, US
★★★★★ 5
Great outfit
Color: Wine Red, Size: X-Large
Soft and comfortable
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Reviewed in the United States on January 6, 2026
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Patricia Wulff
Charlottesville, US
★★★★★ 5
Bequem elegant
Color: Denim Blue, Size: Small
Perfect
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Reviewed in the United States on April 28, 2026
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Ken
Port Orchard, US
★★★★★ 3
NightNight PJS
Color: Light Khaki, Size: XX-Large
more like pajamas than a casual set.
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Reviewed in the United States on May 31, 2026

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