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K2 Industries  |  SKU: K2-055-BMW-125-EXH

BMW 3/4 Series M3/M4 F80/F82 304 Stainless Midpipe 2015-2020

$1,557.18
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 M3/M4 F80/F82 with Premium 304 Stainless Steel Midpipe - Equal Length Performance Design (2015-2020)

Unleash your S55's potential with our exclusive 304 stainless steel mid pipe collection. Join thousands of discerning M3 and M4 owners who have transformed their F80/F82 models with precision-engineered exhaust components that deliver exceptional performance gains, aggressive sound enhancement, and premium construction quality.

✓ 304 Stainless Steel ✓ Equal Length Design ✓ Performance Gains ✓ Mandrel Bent

Experience the pinnacle of exhaust performance with our meticulously crafted 2.5-inch equal length mid pipe system. Engineered specifically for the S55 engine, this premium 304 stainless steel construction eliminates the restrictive factory components while delivering substantial power gains, reduced back pressure, and the aggressive exhaust note your M3 or M4 deserves.

Premium Construction Elements
  • 304 Stainless Steel Construction - Premium grade material ensures exceptional durability and corrosion resistance
  • Equal Length Design - Twin 2.5-inch pipes provide balanced exhaust flow and harmonious sound signature
  • Mandrel Bent Technology - Precision manufacturing maintains optimal internal diameter for maximum flow efficiency
  • Professional Grade Welding - TIG welded construction ensures leak-proof performance and long-lasting reliability
Performance Specifications
  • Power Gains - Up to 18+ horsepower increase when properly tuned
  • Torque Enhancement - Up to 30+ lb-ft torque improvement across the powerband
  • Weight Reduction - Approximately 17 lbs lighter than restrictive OEM mid pipes
  • Improved Throttle Response - Faster turbo spool and enhanced low-end to mid-range power delivery
Vehicle Fitment
Model Generation Body Code Year Engine
M3 Sedan 5th Generation F80 2015-2020 S55 3.0L Twin Turbo
M4 Coupe 1st Generation F82 2014-2020 S55 3.0L Twin Turbo
M4 Convertible 1st Generation F83 2014-2020 S55 3.0L Twin Turbo
Technical Specifications
  • Pipe Diameter - Twin 2.5-inch (63mm) equal length configuration
  • Material Grade - SUS304 stainless steel with superior corrosion resistance
  • Construction Method - Mandrel bent for optimal flow characteristics
  • Compatibility - Works with both OEM and aftermarket downpipes
Performance Benefits
  • Reduced Back Pressure - Eliminates restrictive factory components for optimal exhaust flow
  • Enhanced Sound Quality - Aggressive, deeper exhaust note with improved acoustics
  • Faster Turbo Spool - Improved exhaust velocity enhances turbocharger response
  • Balanced Flow Distribution - Equal length design ensures harmonious sound and performance
Package Contents
  • 1 Complete Equal Length Mid Pipe System (2.5-inch Twin Configuration)
Important Installation Notice
PROFESSIONAL INSTALLATION REQUIRED: Installation of this mid pipe requires cutting of the original exhaust system. Professional installation is strongly recommended to ensure proper fitment and optimal performance. Some trimming may be required depending on your rear muffler configuration.
Installation Details
  • Installation Type: Direct replacement requiring cutting of original system
  • Skill Level: Professional installation strongly recommended
  • Tools Required: Exhaust cutting tools, professional lifting equipment, welding capabilities
  • Time Required: Approximately 2-4 hours for professional installation
  • Modifications: Cutting of factory exhaust system required for proper fitment
Compatibility Features
  • OEM Downpipe Compatible - Works seamlessly with factory downpipe systems
  • Aftermarket Downpipe Ready - Perfect compatibility with performance downpipe upgrades
  • Factory Rear Muffler Integration - Designed for use with stock rear muffler systems
  • MPE System Compatible - Works with BMW M Performance Exhaust configurations
Sound Enhancement
  • Aggressive Exhaust Note - Transforms the characteristic S55 sound signature
  • Deeper Tone Quality - Eliminates restrictive resonators for fuller sound
  • Balanced Acoustics - Equal length design provides harmonious left/right sound balance
  • Enhanced Volume - Noticeable increase in exhaust volume without being excessive
Expert Support & Warranty
  • Live Expert Assistance - Team of BMW M specialists ready to verify compatibility and provide guidance
  • Professional Installation Support - Guidance available for optimal installation and performance tuning
  • Quality Assurance - Premium manufacturing standards ensure reliable performance
  • Performance Optimization - Expert advice on complementary modifications for maximum gains
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 exhaust components
Our Promise To You

Every 304 stainless steel mid pipe upgrade is backed by our commitment to excellence and performance enhancement. Experience the transformative power of precision-engineered exhaust components that deliver substantial performance gains, aggressive sound enhancement, and the premium quality construction that your M3 or M4 deserves.

Ready to unleash your S55's potential?

  1. Verify your vehicle model (F80 M3, F82 M4, or F83 M4 Convertible)
  2. Confirm S55 3.0L twin-turbo engine configuration
  3. Schedule professional installation for optimal results
  4. Complete your order for immediate processing and performance transformation

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.