BMW X3 G01/X4 G02 M40i 3.0T Stainless Steel Valved Catback 2018+
BMW X3 G01/X4 G02 M40i 3.0T Stainless Steel Valved Catback 2018+ is backordered and will ship as soon as it is back in stock.
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Product Warranty
Product Warranty
Warranty Assurance:
At K2 Industries, your satisfaction is our priority, and we stand behind the quality of our products. Here's a brief overview of our warranty:
Defect Coverage:
If you find a defect after receiving your order, get in touch with us. We're committed to resolving the issue, whether it involves a replacement, repair, or refund.
Installation Note:
Please inspect your purchase before installation. Unfortunately, damages post-installation are not covered, so ensure everything looks good beforehand.
Claims Made Simple:
Need to make a claim? Reach out to us at support@k2-industries.com. We're here to assist you. Just keep your original packaging and documentation handy.
Your Satisfaction Matters:
Your trust in K2 Industries is appreciated. We're dedicated to ensuring your satisfaction with our quality automotive parts.
Delivery and Shipping
Delivery and Shipping
Shipping Information:
At K2 Industries, we strive to provide a seamless and efficient shopping experience for automotive enthusiasts like you. Our commitment is to deliver high-quality parts to your doorstep with the utmost care.
Fast and Reliable Shipping:
Many of our products are stocked in our local warehouse, ensuring swift processing and delivery. Orders placed for these items typically ship within 2-5 business days, allowing you to get your parts in no time.
Extended Selection, Global Reach:
To offer you a broader range of automotive parts, some items are sourced from trusted suppliers around the world. While these products might have a slightly longer processing time, we assure you that the wait is worth it for the exceptional quality and value they bring.
Shipping Transparency:
For products shipped internationally, we provide estimated delivery times on the product page. Rest assured, we are continually working to optimize our supply chain and minimize any potential delays.
Combined Shipments:
To streamline your shopping experience, if your order includes items from both our local warehouse and international suppliers, they may be shipped separately. You will receive separate tracking information for each shipment.
Questions or Concerns?
If you have any questions about shipping or would like assistance tracking your order, our dedicated customer support team is here to help. Feel free to reach out to us at support@k2-industries.com.
You can also track your order here
Thank you for choosing K2 Industries for your automotive needs. We appreciate your trust in us.
Happy Driving!
Description
Description
Transform Your BMW X3/X4 M40i with Premium Valved Catback Exhaust - Stainless Steel Performance Design (2018+)
Elevate your M40i's presence with our exclusive valved catback exhaust system. Join thousands of discerning BMW owners who have transformed their X3/X4 M40i with precision-engineered performance that delivers commanding sound, enhanced power delivery, and complete control over your vehicle's acoustic signature.
Experience the perfect fusion of sophisticated engineering and commanding performance with our premium valved catback exhaust system. Meticulously crafted from high-grade stainless steel and featuring an advanced valve control system, this exhaust transforms your M40i's sound character from refined civility to aggressive performance at the push of a button, while delivering improved exhaust flow and enhanced driving dynamics.
Premium Performance Features
- Advanced Valve Control System - Precise electronic valves provide instant switching between refined and aggressive exhaust modes
- Dual Operating Modes - Valves closed for quiet daily driving, valves open for full-throttle excitement and unrestrained performance
- Enhanced Power Delivery - Optimized exhaust flow contributes to sharper throttle response and improved engine dynamics
- Commanding Sound Character - Explosive turbo spool, aggressive overrun, and addictive tone from idle to redline
Premium Construction
- High-Grade Stainless Steel - Premium 304 stainless steel construction ensures exceptional durability and corrosion resistance
- Precision Engineering - Maximum piping diameter design unlocks raw, unfiltered sound and optimal flow characteristics
- Professional Craftsmanship - Expert fabrication with precision welds and CNC-mandrel bent tubing
- Weight Optimization - Engineered to reduce weight while maintaining structural integrity and performance
Vehicle Fitment
| Model | Generation | Body Code | Year | Engine |
|---|---|---|---|---|
| X3 M40i / X3 M40i xDrive | 3rd Generation | G01 | 2018-2025 | 3.0T B58 Inline-6 |
| X4 M40i / X4 M40i xDrive | 2nd Generation | G02 | 2018-2025 | 3.0T B58 Inline-6 |
Sound Control System
- Valves Closed Mode - Refined and quiet operation ideal for daily driving, residential areas, and early morning starts
- Valves Open Mode - Full-throttle excitement with unrestrained volume, aggressive character, and racing-inspired tone
- Volume Differential - Over 25 dB difference between modes provides dramatic acoustic transformation
- Complete Control - Included standalone valve controller gives instant command over your M40i's soundtrack
Performance Specifications
- Material Construction - Premium 304 stainless steel with mandrel-bent piping
- Piping Diameter - Enlarged diameter optimized for maximum flow and performance
- Valve System - Electronic actuator valves with standalone controller
- Tip Configuration - Quad polished stainless steel tips with aggressive styling
Package Contents
- Complete Valved Catback Exhaust System
Important Installation Notice
Installation Details
- Installation Type: Direct bolt-on replacement using factory mounting points
- Skill Level: Intermediate to advanced - professional installation recommended
- Tools Required: Standard automotive tools, jack stands, and exhaust hangers
- Time Required: Approximately 2-4 hours for complete installation
- Modifications: No cutting or welding required - uses factory mounting locations
Performance Benefits
- Enhanced Throttle Response - Improved exhaust flow delivers sharper accelerator response and more immediate power delivery
- Aggressive Sound Character - Deep, rich exhaust note enhances the B58 engine's natural performance character
- Versatile Daily Drivability - Valve control ensures comfort for all driving scenarios without compromise
- Premium Aesthetics - Quad polished tips elevate your M40i's rear profile with sophisticated styling
Technical Advantages
- Optimized Exhaust Flow - Larger diameter piping reduces backpressure and improves engine breathing
- Turbo Spool Enhancement - Improved exhaust velocity creates more pronounced turbocharger performance
- Overrun Characteristics - Aggressive pops and crackles on deceleration add dramatic performance feel
- Temperature Management - High-grade stainless steel withstands extreme exhaust temperatures
Expert Support & Warranty
- Live Expert Assistance - Team of BMW performance specialists ready to provide technical guidance
- Quality Assurance - Rigorous testing ensures perfect fitment and reliable operation
- K2 Industries Quality - Premium manufacturing standards with comprehensive quality control
- Installation Support - Technical assistance available for installation questions and guidance
Shipping Information
-
Manufacturing + Shipping: 3-5 weeks to manufacture the product. 1-2 weeks for shipping
- Tracking: Full tracking provided with every order
- International Shipping: Available worldwide with calculated rates at checkout
- Secure Packaging: Professional crating ensures safe delivery of complete exhaust system
Our Promise To You
Every valved catback exhaust system is backed by our commitment to excellence and customer satisfaction. Our team of passionate car enthusiasts in South Florida is dedicated to helping you transform your BMW X3/X4 M40i with premium performance solutions that deliver commanding sound, enhanced power delivery, and complete control over your vehicle's character.
Ready to unleash your M40i's potential?
- Verify your vehicle is a 2018+ X3 G01 or X4 G02 M40i with B58 engine
- Consider professional installation for optimal results
- Choose your shipping preferences at checkout
- Complete your order for priority processing and performance transformation
BMW X3 G01/X4 G02 M40i 3.0T Stainless Steel Valved Catback 2018+
Payment & Security
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About K2 Industries
We're a team of passionate car enthusiasts located in South Florida. We are dedicated to assisting you in making your dream build a reality!
Frequently Asked Questions
Why Buy from K2 Industries
What makes K2 Industries more than just a parts supplier?
What makes K2 Industries more than just a parts supplier?
We’re a team of USA-based car enthusiasts committed to helping you get your build right the first time. With our deep product knowledge and close relationships with trusted manufacturers, we ensure you receive high-quality parts that perform. We’re here to support you before, during, and after your purchase, providing personalized advice, part compatibility checks, and responsive customer service. When you buy from us, you’re joining a community that cares as much about your car as you do.
How do I know which parts are best for my car and goals?
How do I know which parts are best for my car and goals?
Answer: Our team can provide personalized mod plans to match your performance and style goals. Whether you’re building for speed, aesthetics, or both, we’ll help you select the right parts for your vision. Contact us to discuss your project!
Do You Have Financing Options?
Do You Have Financing Options?
Answer: Yes, we offer flexible financing options to make it easier for you to upgrade your vehicle without paying the full amount upfront. Choose our financing option at checkout to split your purchase into manageable payments, so you can start your build now and pay over time.
Visit our FULL FAQ Page
Visit our FULL FAQ Page
Shipping
Do you ship overseas?
Do you ship overseas?
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
How long will it take to receive my order?
How long will it take to receive my order?
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
Other
Any question?
Any question?
You can contact us through our contact page! We will be happy to assist you.
