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Description
3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM MotorsportsIntroducing the ARM Motorsports S55 Single Midpipe Upgrade for the F8X platform, the ultimate solution for S55 enthusiasts seeking to enhance the power and sound from their S55 powered BMW. This S55 Midpipe upgrade delivers improved exhaust flow and an incredible exhaust note due to the resonated 3. 5" design. Check out the clips below to hear the ARM S55 Midpipe paired with the ARM S55 Resonated Downpipes. HIGHLIGHTS Up to +20whp 30wtq Improved
Introducing the ARM Motorsports S55 Single Midpipe Upgrade for the F8X platform, the ultimate solution for S55 enthusiasts seeking to enhance the power and sound from their S55-powered BMW. This S55 Midpipe upgrade delivers improved exhaust flow and an incredible exhaust note due to the resonated 3.5" design. Check out the clips below to hear the ARM S55 Midpipe paired with the ARM S55 Resonated Downpipes.
HIGHLIGHTS
• Up to +20whp / 30wtq
• Improved Exhaust Note
• 304 Stainless Steel
• Improved Exhaust Note
• 304 Stainless Steel
• Faster Turbo Spool
• Fits OEM and Aftermarket Mufflers
CONSTRUCTION
Crafted from 304 stainless steel, the ARM S55 Midpipe Upgrade is built to last. Its mandrel-bent tubing ensures smooth, unrestricted flow, while the lightweight design of only 17lbs reduces overall weight of the exhaust system by 15lbs. When paired with the ARM S55 Track Exhaust, you shave an incredible 40lbs off compared to the OEM exhaust system.The ARM S55 Single Midpipe starts at the downpipe connections with a precision Y-pipe. This allows you to connect the ARM S55 Midpipe to any downpipe upgrade that fits the OEM S55 Midpipe, including the ARM S55 Downpipes.
This section of the ARM S55 Midpipe includes a 4.5" resonator to tune the tone of the exhaust into a deeper, more desirable range, as the S55 is notorious for having a high-pitched, raspy exhaust note. Paired with the ARM S55 Downpipes, the ARM S55 Midpipe will make your F8X one of the best sounding on the road.
Due to the larger size of the ARM S55 Midpipe, the OEM under-brace cannot be utilized. To address this, the ARM S55 Midpipe includes a specially designed under-brace that is specifically engineered to fit with the larger midpipe. The under brace included in the ARM S55 Midpipe Kit is designed with precision and manufactured from 6061 aluminum to ensure strength, durability, and a perfect fit, while keeping the weight to a minimum. Installation of the under brace is a simple bolt-on process and mounts directly to the factory mounting points, ensuring a secure and stable fit.
IN THE BOX
• ARM S55 Midpipe
• CNC Machined Brace
• 5x Exhaust Clamps
• CNC Machined Brace
• 5x Exhaust Clamps
FITMENT GUIDE
The ARM S55 Midpipe Upgrade will fit any downpipes that connect to the OEM midpipes.
| Make | Model | Submodel | Engine |
|---|---|---|---|
| BMW | F80 | M3 | S55 3.0L |
| BMW | F82 | M4 | S55 3.0L |
| BMW | F83 | M4 | S55 3.0L |
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
4.7 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
AMAZING!
Color: Ivory, Size: 2' x 3' (Single Pelt)
Absolutely amazing and fast shipping, the fur is so thick and fluffy I almost don't want to use it for what I'm using it for, I love it so much, going to use it on top of my bareback pad on my horse to absorbe impaction and give the nomadic saddle pad look! More than happy with it and may order another!
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Reviewed in the United States on January 27, 2026
★★★★★ 4
Good Quality for what you pay
Color: Golden Yellow, Size: 2' x 6' (Double Pelt)
I 24/7 'researched the heck out of Sheepskin Blk Fri DEALS, this was the best for the money.
I had a feeling this Long-Hair version of Sheepskin rug /piece was possibly not quite the same as stuff I bought in the early '90s...from an ACTUAL Sheep Farm -not the curly densely-packed Lambskin, more the '70's 'Shag-Rug' version.
Still- I LIKE IT. It's very WARM & seems to be made well even tho the backing is a trimmed down version of true leather. I use it as a large pad under my easy chair.
I got the YELLOW, worried the dye might affect the function but no- it did not and tbh- the Yellow is kind of awesome! A soft glowy SUNNY yellow good to blast you out of Winter DULL!
I'm NOT going to attempt to wash this. Brush it- yes. I will get it Dry-cleaned when needed.
I DO recommend this Sheepskin.
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Reviewed in the United States on December 3, 2025
★★★★★ 3
Hard to say if genuine or faux.
Color: Light Brown, Size: 2' x 3' (Single Pelt), Color: Light Brown, Size: 2' x 3' (Single Pelt)
I was really debating between two brands and decided to get this one since it had more good sounding reviews. I received it and now I'm not 100% sure if this is REAL sheep or just a really well done Faux. I trimmed a few pieces from this rug and my Faux one I got from ROSS and they both bubbled up exactly the same way when burned...But the rug I got from Ross is so much softer and smoother, but the backing is different in the Ross one and definitely a cotton material compared to this Amazon one which is slightly stiff but more suede looking. I also felt a real sheep rug earlier this week (and was what made me interested in buying one—but I wasn't interested in the price tag of the one from the store I found. However, the one at the store even had a tag on the corner stating "Genuine New Zealand Sheep Skin"). I just wish this had a stamp or tag somewhere or something on the piece stating it's "Genuine" like most authentic leather/fur goods have. It is fluffy and soft—but so is my faux rug from ROSS. This piece does have those curls/coils that make it seem more dense and like an actual sheep's coat. It might just be a REALLY low quality product that they're trying to market in an enticing manner. Even the backing looks like cheap cardboard like someone else stated. Either way, most likely keeping it since the price was alot less than the cost of the one I found at the store and I like the creamy beige color I ordered because it gives a more natural look than the stark white fur I originally found.
Regardless, it's for my Dog, so I'm not too bothered and if it gets messed up and mangled it won't be such a big deal.
Odor in the one I got just smelled like a sheep that's been in the sun all day and dissipated pretty quickly/got covered up once I sprayed it with my dog's fragrance/refresh spray. Creased up from the packaging but nothing a little brushing and shaking couldn't fix.
I hope this helped inform you before you purchased.
PS: They did send samples of a "Faux" Fur AND "Real" Fur which I thought was kind of neat but the sample coulda been from an actual good quality real fur compared to what they sent...Who knows?
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Super soft
Color: Ivory, Size: 2' x 3' (Single Pelt), Color: Ivory, Size: 2' x 3' (Single Pelt)
Very nice quality, this is the perfect size. It is a tiny bit yellow, but still looks really nice. It's lovely to be able to set my feet onto something so soft, especially in the morning.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Furnished Apartment? Quality!! Instant upgrade
Size: 2'6" x 6'6", Color: Ivory White, Size: 2'6" x 6'6", Color: Ivory White
I was concerned about ordering sheepskin online. So many scams & faux fur. And Wow!
Holy Moly - I’m so impressed. I’m from Hudson Valley NY - lots of sheep farmers - I know fur!
These are fabulous!
Bigger than the others online
Thick and full piles and beyond soft
These are beautiful - I’ve now ordered 3
If you’re a renter and furniture came with the rental - these can transform your space!
The colors are beautiful and appear very natural
PS: Do not expect bleached white color
And you really wouldn’t want it
I have allergies and chemical reactions
These are beautiful, supple and natural
They come with a linen bag, cleaning brush and care instructions
I’m so pleasantly surprised and maybe a bit obsessed with the quality of the pieces that arrived. You won’t regret this one!
I’ve ordered the white - over 6ft long draping my love seat. The brown - for two dining chairs that I easily move around. The photos explain - enjoy.
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Reviewed in the United States on February 7, 2026