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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
BD Diesel Exhaust Brake - Universal 3.5inIt has been almost 30 years since we started shipping our first exhaust brakes. With that many hill and mountain roads experienced, we used the knowledge gained to continue to deliver the best designed exhaust brake for your application. Incorporating BD's exclusive Variable Orifice Technology, BD's solid, offset butterfly, spring loaded cylinder and pressure regulation provides up to 150 retarding horsepower throughout the engine's RPM range not just
It has been almost 30 years since we started shipping our first exhaust brakes. With that many hill and mountain roads experienced, we used the knowledge gained to continue to deliver the best designed exhaust brake for your application. Incorporating BD's exclusive Variable Orifice Technology, BD's solid, offset butterfly, spring loaded cylinder and pressure regulation provides up to 150 retarding horsepower throughout the engine's RPM range - not just at high rpm like some designs that use holes or additional parts and claim it as a better idea. A range of rugged, cast-iron housings for Dodge, Ford, Chevy and motor home applications that incorporate BD's exclusive alumibronze bushing, piston ring-seals and stainless steel butterfly shaft has proven to stand-up under the harsh, high heat conditions of the exhaust environment. BD's butterfly valve and rotating shaft are made of stainless steel to resist corrosion. An air compressor is included in most kits for newer pick-up trucks.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
4.9 ★★★★★
Based on 2401 reviews
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Product Reviews
★★★★★ 5
Good option for softening a college apartment bed
I moved into a college apartment where the bed felt like it belonged in a dorm from years ago—flat and stiff. Instead of dealing with it, I tried this topper, and it added a cushiony layer right away. The surface feels much more forgiving when I fall onto the bed after studying or hanging out with friends. It has just enough padding to take away that board-like feeling without making the bed sag. Another thing I noticed is how breathable it is. I expected something this thick to feel warm, but it actually stays cool even if I stay on one side for a long stretch.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Makes an older family mattress feel brand new
There’s an older mattress in my place that everyone avoids because it feels too worn in the middle. Instead of replacing it, I decided to give this topper a shot. Once it settled on the bed, it added a thick cushioned layer that helped level out the whole surface. Lying down feels smoother, and the middle no longer dips the way it used to. The fabric feels cool when you touch it, and it keeps that same feel even after staying on it for a while. I thought a thick topper might hold warmth, but this one keeps the air moving enough that the bed stays comfortable throughout the night.
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Reviewed in the United States on November 25, 2025
★★★★★ 5
Helpful upgrade when staying between short-term housing
Laying it out was quick, and once it settled, the bed instantly felt gentler on the shoulders and hips. The padding feels thick without being bulky, and it molds just enough so that you feel supported without sinking. The airflow is surprisingly good. Even after lying still for long periods, the surface never turns warm or clammy. That was important since the mattress underneath didn’t have much ventilation.
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Reviewed in the United States on November 25, 2025
★★★★★ 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
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