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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
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Description
2021+ M240I Slip-On Line Exhaust Titanium (AKRS-BM/T/32H)The Akrapovi Slip On Line (Titanium) for the 2021+ BMW M240i and M440i (G42 G22) is a high performance exhaust system designed to provide a more immersive driving experience. By utilizing lightweight titanium and a dual valve configuration, this system delivers a dramatic soundtrack while offering measurable gains in power and torque. Unique acoustic reflectors are integrated into the tailpipes to guide the engine's rich, sporty tones directly into
The Akrapovič Slip-On Line (Titanium) for the 2021+ BMW M240i and M440i (G42/G22) is a high-performance exhaust system designed to provide a more immersive driving experience. By utilizing lightweight titanium and a dual-valve configuration, this system delivers a dramatic soundtrack while offering measurable gains in power and torque. Unique acoustic reflectors are integrated into the tailpipes to guide the engine's rich, sporty tones directly into the cabin, ensuring an engaging experience for all occupants.
Features
- High-Grade Titanium Construction: Provides a significant weight reduction over the factory exhaust for improved vehicle dynamics.
- Proven Power Gains: Increases output by 9.7 hp and 20.5 Nm of torque (at 2,450 rpm) when compared to the stock BMW M240i system.
- Dual-Valve System: Features two valves, doubling the stock configuration, managed by an included TNG controller to perfectly tailor the exhaust note.
- Acoustic Reflector Technology: Specialized parts on the tailpipes are designed to direct the exhaust's exhilarating sound into the cockpit.
- Dual Resonators: Strategically placed on each side of the central muffler to refine the sound, ensuring it remains smooth at cruise and aggressive under load.
- ECE Type Approved: Meets European regulatory standards for OPF-equipped vehicles and requires no ECU remapping.
Compatibility
- Fits 2021+ BMW M240i (G42) and M440i (G22/G23/G26).
- Mandatory Hardware: Requires one additional BMW stock valve actuator (Part No. 18 30 8 686 640) for installation on M240i models.
- Finish: Completed with premium, hand-crafted carbon-fiber tailpipes.
- Optional Upgrade: Compatible with the Akrapovič Sound Kit for manual valve control from the cockpit.
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
4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Definitely worth the price
Size: 6.5, Color: Black/Black
Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days.
The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026