AWE TUNING M5 SWITCHPATH CAT-BACK EXHAUST W/ BLACK DIAMOND TIPS FOR F90 BMW M5 [3025-43066]
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AWE Tuning M5 SwitchPath Cat-Back Exhaust w/ Diamond Black Tips for F90 BMW M5
AWE F90 M5 SwitchPath cat-back exhaust with diamond black tips is designed, engineered, and manufactured entirely in-house at AWE, and it shows in every detail. The catback installs as a pure bolt-on with no cutting or modification required, and AWE backs the fitment with their No Check Engine Light guarantee, so there are no surprises after installation. Construction is dual 3″ CNC mandrel-bent T304L stainless steel with .065″ wall thickness, sourced in the U.S., and the straight-through design keeps things clean and unrestricted without unnecessary complexity.
SwitchPath Edition
- The AWE SwitchPath Exhaust is offered as a full catback or axleback system, and it handles both ends of the spectrum well; at cruising speeds it stays quiet and unobtrusive, but get into the throttle, and the 4.4TT twin-turbo comes alive with a sound that fits the car. The system is fully valved and works with the factory valve logic, so the M5’s drive modes control it exactly as you would expect with no extra hardware or workarounds. On the performance side, you are looking at peak gains of 4hp and 4ft-lb of torque, max gains of 22 hp and 18ft-lb at the wheels, and a 17lb drop in weight over the stock system.
Features
- Designed, engineered, and manufactured in-house at AWE
- Handcrafted from dual 3″ U.S.-sourced CNC mandrel-bent .065″ wall T304L stainless steel
- Fully valved SwitchPath system works with factory valve logic and drive modes
- Straight-through design keeps flow clean and minimizes restrictions
- SwitchPath catback delivers peak gains of 4hp and 4ft-lb
- Maximum gains up to 22hp and 18ft-lb at the wheels
- Weight savings of 17lbs over stock
- Diamond black tips
- Catbacks are direct bolt-on for factory-like installation
- 50-state emissions-compliant; no tune required
- Fitment is guaranteed
- AWE No Check Engine Light guarantee included
- Lifetime warranty (one year on tip finishes)
Applications
- BMW M5: F90 | 2018-2023 | 4.4L S63 Twin-Turbo V8
- BMW M5 Competition: F90 | 2018-2023 | 4.4L S63 Twin-Turbo V8
Notes
- AWE exhausts are not designed to mate with other aftermarket front pipes
Frequently Asked Questions
- How does the AWE F90 M5 SwitchPath cat-back control the valves, and does it need an aftermarket remote? No remote is required. The SwitchPath retains all of the M5’s factory valve behavior, responding to drive mode changes and the factory exhaust button on the center console without any additional hardware. In Comfort mode the valves close and the system produces a refined, full-bodied S63 tone with interior acoustics close to stock at cruise. In Sport and Sport+ mode the valves open, uncorking the twin-turbo V8 with a powerful, aggressive note. AWE describes the valve-closed character as good enough that many owners leave it there all the time.
- What is the difference between the AWE F90 M5 SwitchPath cat-back and the SwitchPath axleback? The catback replaces the full system from the downpipes back, including a precision-engineered X-pipe and valved rear sections, delivering the full performance and sound package with a 17lb weight savings over stock. The axleback retains the M5’s factory mid-section and picks up right at the rear axle, swapping only the rear muffler sections for the SwitchPath valved configuration. The axleback is a more cost-effective entry point into the system; the catback is the complete build. Both retain factory valve behavior in full.
- What are the peak versus maximum gains for the AWE F90 M5 SwitchPath cat-back? The AWE SwitchPath catback delivers peak gains of 4hp and 4ft-lb of torque at the wheels, with maximum gains of 22hp and 18ft-lb. The peak figures represent gains at the most responsive point in the power curve; the maximum figures represent the highest recorded gains at a specific RPM point across the full dyno pull. Both are at-the-wheel figures on the S63 twin-turbo V8 with the catback system installed.
- What is the difference between the AWE SwitchPath and Track Edition for the F90 M5? Both share the same dual 3″ T304L stainless steel construction and precision-engineered X-pipe. The SwitchPath uses valved rear sections that respond to the factory drive modes and exhaust button, giving you a composed tone with valves closed and a fully uncorked S63 with valves open. The Track Edition removes the valves entirely for full-time, unfiltered volume and a 21lb weight savings compared to the SwitchPath’s 17lb savings. The Track Edition is known to get rowdy at all speeds and cannot be returned based on sound preference; the SwitchPath is the correct choice for drivers who want both ends of the spectrum accessible from inside the cabin.
About AWE Tuning
AWE is driven by a singular goal: Unleashing Performance. Renowned for their handcrafted, award-winning performance exhausts, along with rigorously tested carbon fiber intakes and high-efficiency intercoolers, AWE is at the forefront of innovation, design, production, retail, and global distribution of their performance products. These products are available through a select network of dealers, online, and directly from their advanced facility located near Philadelphia, Pennsylvania. Established in 1991, AWE’s team of experts, comprising researchers, engineers, innovators, and seasoned drivers, has been dedicated to developing and introducing top-tier performance enhancements for some of the world’s most prestigious vehicles.
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.





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