SKU: 27813224555

BMW M340i/M440i G2X Performance Valved Exhaust System - Yonristic Performance

Sale price$1490.40 Regular price$1656.00
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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

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Description

BMW M340i/M440i G2X Performance Valved Exhaust System - Yonristic PerformanceEnhance Your BMW M340i M440i Exhaust Experience Grade 5 Titanium Builds Available*** Factory Plug and play valves control supported*** Take your BMW G2x M340i or M440i to the next level with the Yonristic Catback Exhaust Systemengineered to unlock the full power and presence of the B58 inline six engine. Known for their impeccable balance of luxury, agility, and performance, these models deserve an exhaust that truly brings out their bold character.

Enhance Your BMW M340i M440i Exhaust Experience

Grade 5 Titanium Builds Available***

Factory Plug-and-play valves control supported***

Take your BMW G2x M340i or M440i to the next level with the Yonristic Catback Exhaust System—engineered to unlock the full power and presence of the B58 inline-six engine. Known for their impeccable balance of luxury, agility, and performance, these models deserve an exhaust that truly brings out their bold character. Yonristic delivers a game-changing upgrade, enhancing both sound and performance.

This system features a 3.5-inch front section and 3-inch piping, designed to maximize airflow and minimize backpressure. The result? Sharper throttle response and noticeable gains in performance. Constructed from T304 stainless steel or ultralight Grade 5 titanium, it dramatically reduces weight—just 30 lbs for titanium and 77 lbs for stainless steel. These weight savings translate directly into better handling and agility, making it a top choice for performance enthusiasts.

With advanced electric valve control, you’re in command of the exhaust note. A simple button press takes you from a subdued, refined tone perfect for city driving to an assertive, high-performance growl that highlights the raw power of your engine. This versatility ensures the Yonristic system adapts effortlessly to any driving style or scenario.

Bold quad 4-inch tips complete the look, giving your BMW a sporty edge that matches its dynamic design. Installation is hassle-free, fitting seamlessly with the OEM setup—no modifications required. The stainless steel variant is further enhanced with Yonristic’s proprietary heat shield technology, offering exceptional durability under extreme conditions.

For BMW G2x M340i and M440i drivers ready to elevate their experience, the Yonristic Catback Exhaust System delivers advanced engineering, premium materials, and unrivaled sound customization. Transform your car into a performance icon that looks, sounds, and drives like never before. Experience the ultimate blend of power and precision with Yonristic.

  • Performance Upgrade: Features a 3.5-inch front section with 3-inch piping to enhance airflow, reduce backpressure, and improve throttle response.
  • Weight Savings: Constructed from T304 stainless steel (77 lbs) or lightweight Grade 5 titanium (30 lbs), boosting handling and agility.
  • Valves: Advanced electric valve control lets you switch between a refined tone for daily drives and an aggressive growl for spirited performance.
  • Sporty Aesthetics: Quad 3.5-inch tips add a bold, dynamic visual to the M340i/M440i’s design.
  • Seamless Installation: Fits directly with OEM components, requiring no modifications.

Details:

  • Product: Performance exhaust cat-back pipe kit
  • Applicable Model: 
    • 2019 - Present BMW M340i G20
    • 2019 - Present BMW M440i G22
  • Material:  T304 stainless steel, Grade 5 Titanium Available!
  • Weight Reduction: T304 Stainless Steel (20% lighter), Grade 5 Titanium (65% lighter)
  • Valve Type: Electrical with remote control, Dual Valves. Immediate response! 
  • Control Mode: Remote control + 5 different sound wave levels
  • Installation Method: Slip-on with professional clamps + Factory header connection
  • Surface Treatment: Yonristic unique technology (polished then frosted)
  • Heat Shield Available: This exclusive Yonristic technology can increase the product's durability. It is optional for the stainless steel builds.

This system is tailored for enthusiasts seeking distinctive sound and performance enhancement. It is backed by Yonristic's commitment to quality and customer satisfaction. Don't hesitate to get in touch with us directly for detailed inquiries and to discuss specific customization needs.

  • Engineered, designed, and manufactured in-house at Yonristic Performance.
  • Satisfaction guaranteed.
  • 1-year high-quality warranty guarantee.
  • Free shipping/delivery nationwide! 
  • Ready to ship within 1-3 days. Low in stock.

Transformative Sound Engineering

The BMW M340i and M440i Exhaust systems are engineered for the ultimate performance upgrade, specifically with the Yonristic Performance Valved Exhaust System. This catback exhaust not only amplifies your car’s sound but also enhances its overall aesthetic. As a result, you experience a deeper, more aggressive tone that signifies performance.

Superior Build Quality

Constructed from high-quality materials, the BMW M340i M440i exhaust system ensures durability and longevity. The valved feature offers customization in sound profiles, allowing you to switch between a quieter ride for everyday driving and a roaring exhaust note when you want to turn heads. Because of its robust design, you can be confident that this exhaust system will withstand the test of time.

Boosted Performance Metrics

Installing the Yonristic Performance Valved Exhaust System can significantly elevate your BMW's performance. By optimizing the exhaust flow, it not only enhances horsepower and torque but also contributes to a more efficient overall driving experience. This translates to improved speed and handling, making every drive more enjoyable. So, if you are seeking that perfect combination of sound and performance, this system is your answer.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 27813224555

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4.6 ★★★★★
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Verified Purchase
Janice O
Bozeman, US
★★★★★ 5
I am pleased with mower. Easy to put together and handle
Color: 19-Inch-Orange
I have used this mower twice and so far am very pleased. It is light weight and will mow my small front and back yard with leaving 40% left on battery. I did have a scare last time I used because mower stopped on fully charged batteries and I discovered the safety key came loose and was able to put back in and finish. In my opinion the key could fit a bit more snug
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Reviewed in the United States on May 11, 2026
S
Verified Purchase
Surfer23451
Houston, US
★★★★★ 5
So far, so good!
Color: 19-Inch-Orange
I received the mower quickly and on time. It was in great shape coming out of the box, and the minor assembly required was easy and well spelled out. I fully charged the batteries before trying out the mower. Setting to deck level 3, I was able to cut my back yard easily and completely which took me about 30-35 minutes. There was still significant charge in the batteries. For a small to medium yard, as in my case cutting the front one week and the back the next, this mower works great!
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Reviewed in the United States on May 4, 2026
G
Verified Purchase
gg23
Carnegie, US
★★★★★ 3
Nice, but not heavy duty
Color: 19-Inch-Orange
Nice and lightweight. Very simple to put together. ok for small yard. Mostly all plastic . Works fine out of the box ,but I don't expect it to last. Small blades. Not good for tough weeds.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
R
Verified Purchase
Rob S
Fort Morgan, US
★★★★★ 4
Best sub $150 electric mower
Color: 15-Inch
Well built, packaged, and easy to assemble. Bought for a smaller lawn and does the job in a few passes. The raising and lowering handle is much more convenient then moving wheels up and down like similar models which makes adjusting height super quick. Has plenty of power to mow an average lawn. Can't speak about huge weeds or small plants if you let your yard get away from you. The power switch is very light to operate so hopefully it lasts. So far I am happy with it's purchase. The only reason I'm giving it a 1 star deduction is pulling it backwards it seems to get caught near the grass catcher which requires you pull up on the handle lifting the back wheels if you need to go backwards more than a few inches. Not sure if this happens when you raise it to full height. Will revisit if things get better or worse.
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Reviewed in the United States on March 18, 2026
E
Verified Purchase
Enchanting
Birmingham, US
★★★★★ 5
Gets the job done for a small lawn
I have a smaller yard, and this works GREAT!!! I have used it several times now. I do not use the bag because my municipality doesn't pick up yard clippings more than once a year. I mow every 7 to 10 days on a middle setting. The only thing that I can complain about is that it doesn't work well if pulling it in reverse. It still cuts fine, but the rubber flap that keeps the grass from flying back at you is a bit long if you want to be able to pull the mower. It can be removed easily if you choose to, but I would at least recommend wearing eye protection if you take it off since it is there for a reason. It maneuvers easily and gets very close to the edges, so I have not had to weed whack at all! It is a light mower and easy to use. Basic maintenance like keeping it covered or in a dry spot when not in use and flipping it to the side to clean the debris from under it after use, and you should have a good mower for a long time. That being said... I DID get the 3-year warranty on it. I know from a past experience with a different company that electric corded mowers are VERY hard to get serviced, so if anything goes wrong, you basically have to replace it. At least this way, my investment will be guaranteed to last several years.
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Reviewed in the United States on May 6, 2026

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