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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
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Description
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System Dual Blue Coated Tips BMW 3-Series | 4-Series F3x 17+To harvest the full potential of the BMW engine, we utilize quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build our valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory
To harvest the full potential of the BMW engine, we utilize quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build our valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory sensation throughout the rev range will have your adrenaline pumping to the beat of the car. Technology-wise, keep up with the rapidly evolving world or risk being on the list of the extinct. Arm yourself with our revolutionary road tech for a smarter driving experience. The valvetronic system introduces a new dimension of versatility; never compromise between sound and stealth. The Armytrix exclusive OBDII dongle system reduces the installation time by 50%! With clear displays and user-friendly controls, navigate through our smartphone app to attain an insightful look into the vehicle's real-time operational status and complete control over the valve settings. Stay Connected, Stay Ahead of the Pack. Performance-wise, deviate from the routine path; go on an adventure down the road less traveled. Let the Armytrix kickstart the real automotive experience. We have tailored each exhaust for carrying the maximum payload to be delivered to thunderous effect. Our streamlined system is lighter, ridded of the OE deadweight and offers an unrestrictive flow; the improved efficiency plays a vital role in the dramatic improvements in both horsepower and torque. Celebrate the liberation of performance, write your own legacy. Quality-wise, Armytrix wouldn?t be what we are today, if not for the persistency on offering premier quality exhausts to the users. Started from the initial designing process, attention to detail was essential in laying the foundation for creating exhausts with perfect fitment. Veteran craftsmen bring the blueprints to life with unparalleled skills; each weld administered by steady hands, creating the unbreakable bond, the backbone to greater outputs. Feed your appetite for extra performance through our TI and SS series exhausts, rebel against mediocrity and take back the initiative. Includes- 14.3 HP / 14 LB FT. TQ.
- 7lb Lighter than OEM exhaust
- Valvetronic Mufflers
- Wireless Remote Control Kits
- Dual Blue Coated?Tips 2X89mm
- Kit Consists of Front Pipe, Mid-Pipe, Valetronic Muffler, Wireless Remote Control Kit and Exhaust Tips
- Reduction of Installation Time by 50% compared to traditional cable wires
- Comprehensive Selectable Options
- Real time Update of Selected Categories
- Quick & Accurate Data Logging
- App Controlled Valve System via OBDII PortView Install Instructions Here.i>
- BMW 320i F30 17+
- BMW 330i F30 17+
- BMW 420i F32 17+
- BMW 430i F32 17-18
- BMW 420i Gran Coupe F36 16-17
- BMW 430i Granc Coupe F32 17-18
- OEM BMW Dual Rear Diffuser is required for this exhaust
- Images are for representation only. Actual Product may vary.
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
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Comfortable Ergonomic Chair for Long Workdays
Color: Black, Color: Black
I’ve been using this chair for my home office, and it’s been a great addition to my workspace. The seat cushion is thick and comfortable, even after several hours of sitting, and the mesh back keeps good airflow throughout the day. I especially like the adjustable headrest, which provides extra neck support when leaning back during breaks. Assembly was straightforward, the chair feels sturdy, and the wheels roll smoothly on my floor. The all-black design also gives it a professional look that fits well in any office setup. Overall, it’s a comfortable and affordable ergonomic chair that offers excellent value for the price.
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Reviewed in the United States on May 28, 2026
★★★★★ 3
Sturdy but uncomfortable
Color: Black
The seat itself is sturdy and easy to put together, I’ve now had the product for 8 months and had no issues wear/tear despite nearly daily use, but… it’s not comfy, at all. The seat cushion has a texture to it that scrapes at my legs if I don’t have an extra pillow on it or am wearing shorts. Additionally, the seat pillow is just kind of hard. It doesn’t give very much at all, so if I sit on it for more than an hour or two at a time my butt starts to get really sore. It works as a budget option, but invest in a good seat pillow if you plan to sit in it for any length of time.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
A chair that does the job
Color: Black, Color: Black
I’m really happy with this chair overall. I wanted something comfortable, sturdy, breathable, and spacious enough for long hours at my desk when I work from home, and this chair delivered. I’d easily give this chair five stars because it exceeded my expectations in comfort, quality, and overall value.
Comfort and Support
The mesh back keeps it cool and comfortable during extended use. One of my favorite features is the adjustable lumbar support. You can manually position it exactly where your lower back needs support, and it fits the curve of my back perfectly. It provides great support without feeling too firm or uncomfortable.
Build Quality and Design
The chair itself feels solid and well-built. It doesn’t creak or make noise when shifting around, which makes it feel stable and high-quality. The seat is roomy and comfortable, and the overall design looks clean and modern.
Easy Assembly
It also came with an instruction manual that was extremely simple to follow, and assembly was very easy. I was able to put the chair together by myself in about 20 minutes without any help.
Armrest Functionality
I also like the armrests. They aren’t adjustable by height, but they do flip all the way up, which is surprisingly convenient. You can easily slide the chair under a desk or use it as an armless chair when needed.
Packaging and Presentation
Another thing worth mentioning is the packaging. Everything arrived extremely well-packed. Every individual part of the chair was wrapped securely, including bubble wrap protection for the components. The hardware and accessories were neatly organized, and the chair even came with the necessary tools for assembly in case you don’t own a drill or tool set. The presentation and packaging were excellent and showed real attention to detail.
Overall Impression
Overall, this is a fantastic office chair for the price: comfortable, supportive, sturdy, easy to assemble, and packaged exceptionally well. I’d absolutely recommend it and would confidently give it a five-star rating.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Nice chair
Easy to assemble and looks clean in my home office. The lumbar support is actually helpful, and I like that the arms flip up so I can tuck it under my desk. It’s comfortable for a full workday, though the seat could be a bit softer. Overall, solid value for the price.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Comfortable and Good Quality
I'm happy with the chair and feels durable. It's supportive for my back and has good lumbar support. It was also easy to put together. Good value for the money.
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Reviewed in the United States on May 27, 2026
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