Mishimoto Intercooler Pipe and Boot Kit 17-19 GM 6.6L Duramax L5P
SKU: 71602776757

Mishimoto Intercooler Pipe and Boot Kit 17-19 GM 6.6L Duramax L5P

Sale price$269.53 Regular price$299.48
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Mishimoto Intercooler Pipe and Boot Kit 17-19 GM 6.6L Duramax L5PHow does improved power, efficiency, and maximized flow sound for your 2017 2019 Chevrolet GMC 6. 6L Duramax L5P? You can get those benefits with Mishimotos intercooler pipe and boot kit. How so? Well, the factory L5P intercooler pipes are a measly 2. 5" diameter that chokes the engine, while tight bends and a resonator on the hot side create even more restriction. The difference is that Mishimotos intercooler pipes are 3" in diameter throughout with

How does improved power, efficiency, and maximized flow sound for your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P? You can get those benefits with Mishimoto’s intercooler pipe and boot kit. How so? Well, the factory L5P intercooler pipes are a measly 2.5" diameter that chokes the engine, while tight bends and a resonator on the hot side create even more restriction.

The difference is that Mishimoto’s intercooler pipes are 3" in diameter throughout with smooth transitions to significantly increase airflow, resulting in more power potential. The hot-side pipe also eliminates the stock resonator for maximum flow. Combined, the Mishimoto intercooler pipes are up to 55% 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 the Duramax, this kit also includes Mishimoto’s 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 the 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. The 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, Mishimoto’s pipes retain the intake air temp harness mounting location for safe and secure wire routing, just as Chevy/GMC intended. The 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 Duramax products, this kit includes our Mishimoto Lifetime Warranty.

IMPORTANT NOTE:

FOR OFF-ROAD USE ONLY

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.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 71602776757

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4.1 ★★★★★
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A
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Amber B.
Los Angeles, US
★★★★★ 5
Loved it
Color: Brown/Wild Duck, Size: Large, Color: Brown/Wild Duck, Size: Large
He loved it so much, he destroyed it so we ordered another. I didn't realize that you can stick an empty water bottle inside. Again, the first one didn't last long, but he enjoyed it
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Reviewed in the United States on May 20, 2026
D
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Doug Jones
Port Orchard, US
★★★★★ 5
Very fun interactive toy
Color: Brown/Wild Duck, Size: Medium
This toy is very versatile. There's no stuffing yet it's very soft so it can be used as a tug toy. It also makes for a fun fetch toy because it has a cavity to put a water bottle. It gives your dog something that crinkles and can be pierced when bitten and easily replaced with another empty bottle whenever necessary. That is what really makes this toy the standout of all the ones offered by Best Pet imo. I don't expect this to last forever but once my pup gets bigger we'll probably get the large size for her because there's not too many all in one fetch and tug toys at an affordable price.
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Reviewed in the United States on May 15, 2026
C
Verified Purchase
Cowey Crew
Lowell, US
★★★★★ 4
Great Toy, but Big Dogs Destroy the Squeakers Fast
Color: Wild Duck, Hare, Squirrel & Alligator, Size: Large
My big dogs had the squeaker torn out in no time, but my little dog absolutely loves this toy. It’s the perfect size for her, and she carries it everywhere. Durable enough for small pups, just not tough enough for heavy chewers. Still a fun toy overall!
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Reviewed in the United States on February 15, 2026
L
Verified Purchase
Leigh Evans
Cuba, US
★★★★★ 5
Fun for dogs
Color: Green/Alligator, Size: Small
Smaller than I expected, but the two little dogs love it! They love shaking it, making it squeak, tugging it against each other & chasing it when I throw it to fetch. They often sleep laying on it.
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Reviewed in the United States on May 25, 2026
A
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AngelKlein2275
Cuba, US
★★★★★ 3
WEIRD feature - requires a water bottle
Color: Cow, Size: Large
Cute, but buyer beware. Maybe the description said this, but who would think to read for this.... You have to insert an empty bottle (like an old water bottle) for it to make the crinkle noise. There is a velcro spot at the base where you can open it and insert the water bottle for the noise factor and your dogs entertainment. I've yet to do that, but feel like my dog is gonna figure out the velcro and get the bottle out in no time. Seems like a waste of money. I could just give her an empty water bottle without the toy for free.
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Reviewed in the United States on June 9, 2026

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