JavaScript is required to view this page.

Buy Now and Pay Later with Afterpay!

K2 Industries  |  SKU: K2-076-BMW-125-EXH

BMW 5 Series G30 304 Stainless Steel Downpipe 2017-2023

¥309,803
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 5 Series G30 with Premium 304 Stainless Steel Downpipe - Performance Exhaust Enhancement (2017-2023)

Unleash your BMW's potential with our exclusive 304 stainless steel downpipe collection. Join thousands of discerning G30 5-Series owners who have transformed their vehicles with precision-engineered exhaust solutions that deliver dramatic improvements in turbo spool, exhaust flow, and overall performance.

✓ 304 Stainless Steel ✓ Mandrel-Bent Design ✓ Enhanced Performance ✓ 1-Year Warranty

Experience the perfect fusion of engineering precision and cutting-edge performance with our meticulously crafted 304 stainless steel downpipe. Featuring mandrel-bent construction with smooth radius bends that decrease turbulence and maximize flow, this premium exhaust component transforms your G30 5-Series with increased horsepower, enhanced turbo response, and an aggressive exhaust note that commands attention.

Performance Enhancement Features
  • Reduced Back-Pressure - Eliminates restrictive factory components for significant exhaust flow improvements
  • Faster Turbo Spool - Enhanced exhaust flow allows turbos to build boost more efficiently
  • Increased Power Output - Delivers noticeable gains in horsepower and torque throughout RPM range
  • Aggressive Exhaust Note - Deep, sporty tone that enhances the driving experience without drone
Premium Construction Details
  • 304-Grade Stainless Steel - Premium corrosion-resistant material ensures lasting durability and performance
  • Mandrel-Bent Piping - Smooth radius bends maintain consistent diameter for optimal flow efficiency
  • TIG Welded Construction - Professional-grade welding with back-purging for superior strength and reliability
  • CNC Machined Flanges - Precision-cut flanges ensure perfect OEM fitment and leak-free operation
Vehicle Fitment
Model Generation Body Code Year Engine Application
5 Series 7th Generation G30 2017-2023 Multiple Engine Configurations
Engineering Excellence
  • CAD/CAM Designed - Computer-aided engineering ensures optimal flow characteristics and fitment
  • Smooth Flow Path - Minimized bends and restrictions maximize exhaust velocity
  • Heat Shield Ready - Compatible with optional heat shield components for thermal management
  • Bolt-On Installation - Direct replacement design simplifies installation process
Performance Benefits
  • Power Gains - Noticeable increases in horsepower and torque when paired with appropriate tuning
  • Improved Throttle Response - Faster turbo spool translates to more immediate power delivery
  • Enhanced Sound - Sporty exhaust note adds excitement to every drive
  • Maximum Efficiency - Allows turbochargers to operate at peak performance levels
Package Contents
  • Premium 304 Stainless Steel Downpipe Assembly
Important Performance Notice
TUNING RECOMMENDED: For optimal performance gains and to prevent check engine lights, ECU tuning is strongly recommended when installing performance downpipes. Consult with professional tuners to maximize power output and ensure proper engine management integration.
Installation Details
  • Installation Type: Direct bolt-on replacement for factory downpipe
  • Skill Level: Advanced - professional installation highly recommended
  • Tools Required: Automotive lift, exhaust tools, and professional equipment
  • Time Required: Approximately 3-4 hours for complete installation
  • Modifications: May require ECU tuning for optimal performance and error-free operation
Material Specifications
  • Material Grade - T304 stainless steel (X5CrNi18-10, 1.4301, AISI 304)
  • Corrosion Resistance - Superior protection against rust and environmental degradation
  • Temperature Rating - Withstands extreme exhaust temperatures without degradation
  • Durability - Professional-grade construction ensures long-lasting performance
Expert Support & Warranty
  • Live Expert Assistance - Team of BMW specialists ready to verify compatibility and provide installation guidance
  • 1-Year Warranty - Comprehensive coverage against manufacturing defects and fitment issues
  • Pre-Installation Inspection - Please inspect all components before installation to ensure warranty coverage
  • K2 Industries Quality - Premium manufacturing standards with rigorous quality control processes
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 protective packaging ensures safe delivery of heavy exhaust components
Our Promise To You

Every 304 stainless steel downpipe 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 G30 5-Series with premium exhaust solutions that deliver dramatic performance improvements, enhanced turbo efficiency, and an aggressive exhaust note that brings your BMW to life.

Ready to unleash your BMW's potential?

  1. Verify your vehicle is a 2017-2023 BMW 5 Series G30 model
  2. Consider professional installation for optimal results
  3. Plan for ECU tuning to maximize performance gains
  4. Complete your order for priority processing and expert support

Payment & Security

Payment methods

  • Amazon
  • American Express
  • 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.