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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
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Description
2020-2026 Duramax 6.6 Stainless Steel 4" Full ExhaustThis is a 4" Downpipe back single exhaust system that compares to the 20141NM or SS20141NM system by FLO PRO and similar systems by MBRP and Jamo for the 2020 2026 6. 6L, 2500 3500 W OEM 4 BOLT FLANGE EC CC SB LB DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only. Comes with all
This is a 4" Downpipe back single exhaust system that compares to the 20141NM or SS20141NM system by FLO-PRO and similar systems by MBRP and Jamo for the 2020-2026 6.6L, 2500/3500 W/ OEM 4-BOLT FLANGE EC-CC/SB-LB-DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only. Comes with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. This kit not only sounds great, but will improve fuel mileage, throttle response, and torque in your 6.6L.
Features:
- 4" Downpipe Back Race Exhaust
- No Muffler
- Easy Install
- 409 STAINLESS STEEL - NO CHEAP ALUMINIZED STEEL HERE!!
- Single Side Exit
- This exhaust is designed to work with our aftermarket downpipe available HERE
-
Exhaust will work with most other aftermarket downpipes and may work with OEM downpipe, but again, it is designed to work with our downpipe for guaranteed fitment.
Manufactured by ProPower Diesel in the USA.
IMPORTANT NOTE
In 2017, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the newest 4-bolt style flange before ordering.
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 9 reviews
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Product Reviews
★★★★★ 5
bury me in snuggle sac!!
soo i’ve purchased 6 of the fuzzy blankets, 2 packs of the socks, the cardigan, and now this gem of a cooling blanket! im usually a heavy fluffy blanket person, regardless of season or temperature, but living in florida it’s sometimes a struggle. figured i’d give this one a try since i’m obsessed with snuggle sac. the blanket is very thin, intentionally, and is such a deliciously soft and unique material! the one side is cooling and really cold to the touch! both sides look very rich and high quality. definitely makes a difference so i’m not waking up hot anymore! in order to replicate my heavy blanket habit, i use the snuggle sac ribbed blanket on top of it, and can always remove it in the night. so happy with my purchase! always keeping my eye out for new releases from them.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Cools quite well, about 85% but works well for hot flashes
Being in perimenopause I tend to have hot flashes at the most inopportune times, especially in the middle of winter where I'm sleeping practically naked and everyone in the house is sleeping with hoodies and sweats and extra blankets. I just found out that one side is extremely cooler than the other and the first night I had it I washed it gently dried it in a very light, delicate setting on my dryer. In fact, I didn't let it dry all the way and let it hang up and the first three nights I slept with this blanket. I slept an entire 8 hours instead of the usual three because hot flashes like to do that to you. Wake you up at 2:00 in the morning or 5:00 in the morning when you have to get up for work in an hour. It's very light. It smells great. It's very soft and one side like I said is cooler than the other and you will feel so much better wearing this or sleeping with this rather. I'm
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Five stars!!⭐️ ⭐️⭐️⭐️⭐️
So comfortable and cooling, my son stays asleep at night because of this amazing comforter! Incredibly cooling and perfect weight we love it!
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Keeps me cooler than before!!
Color: Light Gray, Size: Full / Queen (90"x90")
I have been going back and forth about buying the Rest comforter but it is so expensive and then I stumbled across this. I am very pleased, it is light and one side usually stays cool to the touch. It does warm up with body heat but usually I let it sit in front of the fan for few minutes and it’s cold again. It was made a huge difference and it good quality for what you pay.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
A true cooling blanket
Color: Light Gray, Size: Full / Queen (90"x90")
Hot sleeper paradise! It’s so silky, lightweight and extremely comfortable. I definitely recommend this for anyone who is usually is a hot sleeper or going through menopause (the night sweats are the worse)
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Reviewed in the United States on May 5, 2026