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Description
BMW S55 MIDPIPE UPGRADE - 3.5" RESONATED30 Day Money Back Guarantee IN STOCK HIGHLIGHTS Up to +20whp 30wtq Improved Exhaust Note 304 Stainless Steel Faster Turbo Spool Fits OEM and Aftermarket Mufflers PROFILE 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
- 30 Day Money-Back Guarantee | IN STOCK
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
PROFILE
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.
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 |
ARM MOTORSPORTS LIFETIME WARRANTY
Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship. The warranty entitles you to a replacement unit.
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
4.0 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Home bar cart
Color: Brown(24.8"w)
My son loves his gift. Fits perfectly in his den, versatile shelves, the perfect size. It’s a Quality bar cart that was easy to assemble and looks beautiful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2026
★★★★★ 5
Nice small bar cart
Color: Brown(17"w）, Color: Brown(17"w）
We have a bar area but it’s downstairs and we are usually upstairs so it’s not convenient. I wanted a little cart to hold a few items but not be in the way. After looking all over the Internet I found this one for a good price. I liked the ability to remove the top so we can bring just that into the kitchen or living room and it looks nice. I had to put it together and it wasn’t too difficult, took about 30 min, HOWEVER I used a ratcheting screwdriver with an Allen wrench attachment or else it would have taken a lot longer! (It does come with the little Allen wrench included so you don’t have to purchase any tools.) All the parts were labeled well and included a couple extra screws. I tightened it up good and it’s sturdy. It doesn’t take up a lot of space. If you just need a small cart this will work!
PS you can opt to leave off the parts that hold the wine glass if you don’t need them/ or want more space on that middle shelf
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
★★★★★ 5
Wife’s wish comes true!
Color: Brown(24.8"w), Color: Brown(24.8"w)
Great product, at a great price, and fast delivery!
I ordered these gifts (the cart, Bartesian Bartesian Premium Cocktail and Margarita Machine, Dust Cover, Margaritas Dipping Dishes, and individual drinks cups) as a Christmas gift for my wife!
She always wanted to have a “Drinks and Wine Cart”…and she loves them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
★★★★★ 4
Ninjavan delivery not recommended
Color: Brown(24.8"w)
Bar cart came with instructions that were easy to follow for assembly. Size and height were as expected.
The real problem was the delivery. Ninjavan was not able to deliver on time and kept saying that the wrong address was provided. Item was supposed to arrive on Dec 15 however, we reached out to Amazon about the problem and they sent a new item which arrived December 30 using a different courier.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Sturdy space saving cute little wine/alcohol cart on wheels
Color: Brown(24.8"w), Color: Brown(24.8"w)
Sturdy space saving cute little wine/alcohol cart on wheels. Very well designed. Took a while to put together because there were so many pieces but it was easy and it was worth it. High quality. Bought it on Black Friday and got an amazing deal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
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