Description
xUnlock Maximum Power: BMW M3/M4 S55 3.0T Catless Downpipes | Australian-Engineered Performance Upgrade
For true BMW enthusiasts and performance modders: You demand more than just speed—you crave the visceral thrill of a tuned exhaust note and the surge of power that transforms every drive. Whether you live for track days, spirited mountain runs, or simply want to unleash the full potential of your S55-powered M3 or M4, stock parts just don’t cut it. You’re seeking that next-level upgrade that delivers real, dyno-proven gains and uncompromising build quality.
Meet the AME Motorsport 89mm Catless Downpipes for BMW M3 (F80) / M4 (F82/F83) 2015–2020—the ultimate performance solution for your S55-powered machine. Engineered in Australia and precision-crafted from premium SS304 stainless steel, these downpipes are designed to maximize horsepower, turbo spool, and exhaust sound, while fitting perfectly with both RHD and LHD models. If you want the edge on the street or track, this is your must-have upgrade.
Unleash the Benefits of True Performance Engineering
- Massive Power Gains: Experience an instant increase of 20–25hp without a tune—or up to 100hp with ECU tuning. Feel the difference every time you hit the throttle.
- Unrestricted Exhaust Flow: The high-flow 89mm design supports power builds up to 1,000HP, ensuring your turbocharged S55 breathes freely at any stage.
- Turbo Kit Compatibility: Seamless fitment with AME Motorsport Stage 2, 3, & 4 Turbo Kits. Perfect for future-proofing your build.
- Expertly Crafted, Built to Last: Constructed from 1.5mm-thick SS304 stainless steel with precision TIG welding and CNC-machined flanges for a leak-free, durable installation.
- Showroom Finish: Polished to a mirror shine and sandblasted for optimal surface integrity—your undercarriage will look as good as it performs.
- Global Fit: Designed for both Right Hand Drive (RHD) and Left Hand Drive (LHD) BMWs—no compromises, no adapters, just perfect fitment.
Why Choose AME Motorsport? The Benchmark in Downpipe Engineering
AME Motorsport sets the standard for aftermarket BMW downpipes with an unwavering commitment to Australian design excellence and motorsport-level craftsmanship. Every component is engineered in-house, TIG-welded with meticulous attention to detail, and CNC-machined from robust SS304 stainless steel. Unlike generic imports, our downpipes deliver superior fitment, longevity, and performance—backed by rigorous dyno testing and real-world results. If you demand the best for your BMW, accept nothing less than AME Motorsport.
Imagine the Drive: Real-World Scenarios
- Track Day Domination: Hear the turbo spool faster and unleash every bit of power as you rocket down the straight—your BMW now sounds and feels like a true race machine.
- Twisty Mountain Roads: Enjoy sharper throttle response and a deeper, more aggressive exhaust note that echoes through every corner, giving you confidence and excitement with every shift.
- City Cruising with Presence: Stand out even at low speeds with a refined yet exhilarating tone—turn heads at every stoplight while knowing your build is ready for anything.
Must-Read Owner FAQ
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Q: Will these downpipes fit my specific BMW M3 or M4 model?
A: Yes, these downpipes are designed for all BMW M3 (F80) and M4 (F82/F83) models from 2015–2020, and fit both RHD and LHD vehicles without modification. -
Q: Do I need an ECU tune to run these downpipes?
A: While a tune isn’t required (you’ll gain 20–25hp without one), pairing these downpipes with an ECU tune unleashes their full potential—expect up to 100hp gains! -
Q: How does the exhaust sound change with these downpipes?
A: Expect a deeper, more aggressive exhaust note with enhanced turbo spool and pops—perfect for enthusiasts seeking a race-inspired sound. -
Q: Is installation straightforward?
A: With CNC-machined flanges and OEM-fit design, installation is direct bolt-on. Professional installation is recommended for best results. -
Q: Are these downpipes emissions compliant?
A: These are catless downpipes designed for off-road or motorsport use only. Please check your local regulations before installing.
Technical Specifications
| Specification | Detail |
|---|---|
| Vehicle Compatibility | BMW M3 (F80) / M4 (F82/F83) 2015–2020 S55 3.0T, RHD & LHD |
| Material | SS304 Stainless Steel (1.5mm thickness) |
| Pipe Diameter | 89mm to 70mm transition |
| Turbo Kit Compatibility | AME Motorsport Stage 2, 3, & 4 |
| Horsepower Handling | Up to 1,000HP |
| Power Gains | 20–25hp (no tune), 50–100hp (with tune) |
| Finish | Polished, sandblasted |
| Welding | Precision TIG welded |
| Flanges & Fittings | CNC-machined from SS304 |
Upgrade Your BMW—Experience the AME Motorsport Difference
Don’t settle for compromise—give your BMW M3 or M4 the performance, sound, and quality it truly deserves. With AME Motorsport’s Australian-engineered catless downpipes, you’re not just upgrading parts—you’re unleashing a new level of driving excitement. Order now and join the ranks of true performance enthusiasts!
Additional Information
xShipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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