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K2 Industries  |  SKU: K2-079-BMW-125-EXH

BMW 5 Series M5 F90 304 Stainless Steel Downpipe 2018-2023

262.536 kr
Shipping calculated at checkout.

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

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

Transform Your BMW M5 F90 with Premium 304 Stainless Steel Free-Flow Downpipe - Ultimate Performance Upgrade (2018-2023)

Elevate your M5's performance with our exclusive free-flow downpipe system engineered specifically for the F90 platform. Join thousands of discerning BMW M5 owners who have unlocked their S63 engine's true potential with precision-crafted exhaust solutions that deliver exceptional power gains and exhilarating sound.

✓ 304 Stainless Steel ✓ Free-Flow Design ✓ Heat Shield Included ✓ Performance Optimized

Experience the perfect fusion of sophisticated engineering and raw performance with our meticulously crafted downpipe system. Manufactured from premium-grade 304 stainless steel with optimized flow geometry and smooth transitions, these downpipes dramatically reduce backpressure while enhancing turbo response, delivering the aggressive exhaust note and substantial power gains your BMW M5 F90 deserves.

Premium Engineering Elements
  • Flow-Optimized Design - Precision-engineered geometry with smooth transitions maximizes exhaust velocity and turbo efficiency
  • Premium 304 Stainless Steel - Corrosion-resistant construction with exceptional durability and high-temperature performance
  • Integrated Heat Shield - Advanced thermal protection prevents heat soak and protects surrounding components
  • Straight-Through Architecture - Free-flow design eliminates restrictions for maximum power potential
Performance Benefits
  • Reduced Backpressure - Dramatic reduction in exhaust restriction enables higher boost levels and extended turbo lifespan
  • Enhanced Turbo Response - Improved exhaust flow delivers faster spool and more immediate power delivery
  • Substantial Power Gains - Unlock significant horsepower and torque increases when paired with ECU tuning
  • Aggressive Exhaust Note - Deep, resonant sound enhances the S63 engine's commanding presence
Vehicle Fitment
Model Generation Body Code Engine Year
M5 7th Generation F90 S63 4.4L Twin-Turbo V8 2018-2023
M5 Competition 7th Generation F90 S63 4.4L Twin-Turbo V8 2018-2023
Technical Specifications
  • Material Construction - Premium 304 stainless steel with corrosion-resistant properties
  • Manufacturing Process - Mandrel-bent tubing with precision TIG welding for maximum strength
  • Design Philosophy - Flow-optimized geometry with smooth radius bends minimizes turbulence
  • Thermal Management - Integrated heat shield protects components and reduces heat transfer
Package Contents
  • Complete Free-Flow Downpipe System (Primary & Secondary)
Important Performance Notice
TRACK USE ONLY: This high-performance downpipe system is designed and sold for closed-circuit track use only. Professional installation and ECU tuning are strongly recommended to maximize performance gains and ensure optimal engine operation.
Installation Details
  • Installation Type: Direct OEM replacement with bolt-on fitment
  • Skill Level: Advanced - professional installation strongly recommended
  • Tools Required: Automotive lift, exhaust tools, and torque wrenches
  • Time Required: Approximately 3-5 hours for complete installation
  • Modifications: No cutting or welding required - direct bolt-on application
Performance Optimization
  • ECU Tuning Integration - Pairs perfectly with performance tuning for maximum power gains
  • Turbo Longevity - Reduced backpressure extends turbocharger service life and reliability
  • Cost-Effective Upgrade - One of the most effective modifications for turbocharged BMW platforms
  • Sound Enhancement - Deep, aggressive exhaust note reflects true M5 performance character
Quality Construction
  • Premium Materials - High-grade 304 stainless steel resists corrosion and withstands extreme temperatures
  • Precision Engineering - CNC-machined flanges and optimized bend radius ensure perfect fitment
  • Professional Fabrication - Expert TIG welding and mandrel-bent construction guarantee durability
  • Heat Management - Integrated shielding protects sensitive components from exhaust heat
Expert Support & Warranty
  • Live Expert Assistance - Team of BMW performance specialists ready to provide technical guidance
  • Quality Assurance - Rigorous testing and quality control ensure exceptional performance
  • Fitment Guarantee - Engineered for precise OEM-level fitment on F90 M5 platforms
  • Professional Support - Contact support@k2-industries.com for technical assistance and tuning recommendations
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: Heavy-duty protective packaging ensures safe delivery of exhaust components
  • Freight Shipping: Large exhaust systems may require freight shipping for optimal protection
Our Promise To You

Every premium downpipe system is backed by our commitment to excellence and customer satisfaction. Our team of passionate BMW performance enthusiasts in South Florida is dedicated to helping you unlock your M5 F90's true potential with precision-engineered exhaust solutions that deliver exceptional power gains, enhanced turbo response, and the commanding exhaust note that reflects your vehicle's extraordinary performance capabilities.

Ready to unleash your M5's potential?

  1. Verify your vehicle is a 2018-2023 BMW M5 F90 with S63 engine
  2. Consider pairing with professional ECU tuning for maximum performance gains
  3. Arrange professional installation for optimal fitment and results
  4. Complete your order for priority processing and performance transformation

Payment & Security

Payment methods

  • Amazon
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  • Apple Pay
  • Bancontact
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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!

Read more

Frequently Asked Questions

Why Buy from K2 Industries

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?

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?

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

Shipping

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?

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?

You can contact us through our contact page! We will be happy to assist you.