Description
xUnleash Your BMW’s True Potential: BMW F/G-Series B58 3.0T Catless Downpipe | AME Motorsport – 1000HP-Ready Performance Upgrade
Attention BMW owners, performance modders, and automotive enthusiasts: Are you seeking that next-level exhaust upgrade to extract every ounce of power from your BMW Mx40i or x40i? Tired of restrictive factory components holding you back on spirited drives or at the track? You crave more horsepower, sharper throttle response, and an unmistakable sound—without sacrificing reliability.
Introducing the AME Motorsport Catless Downpipe for BMW F/G-Series (Mx40i / x40i) B58 3.0T 2016-2019—the ultimate solution engineered for enthusiasts who demand uncompromising performance, durability, and flawless integration with both stock and high-output turbo setups. With precision Australian design and robust SS304 construction, this downpipe is built to help you dominate roads and racetracks alike.
Transform Your BMW Experience: Key Benefits
- Massive Power Gains: Enjoy an instant 20-25hp boost straight out of the box—up to 100hp with tuning for maximum thrill.
- Engineered for Big Power: High-flow design supports up to 1,000HP, ready for your wildest build ambitions.
- Perfect Fit & Easy Install: CNC-machined flanges and 1.5mm SS304 ensure hassle-free, leak-free installation on both RHD and LHD models.
- Premium Craftsmanship: TIG-welded seams, polished mirror finish, and sandblasted prep deliver long-lasting durability and premium aesthetics.
- Turbo Kit Compatibility: Seamlessly integrates with AME Motorsport Stage 2, 3, and 4 turbo kits for a complete performance package.
Why Choose AME Motorsport?
Unlike generic downpipes, every AME Motorsport product is designed and tested in Australia by passionate enthusiasts and engineers. Our commitment to in-house design guarantees meticulous attention to detail, while expert TIG welding and precision CNC machining ensure outstanding strength and fitment. We use only SS304 stainless steel—1.5mm thick—for unmatched corrosion resistance and longevity. The result? A downpipe that not only unlocks record-breaking power but also endures the harshest track days and daily drives with zero compromise.
Built for BMW Drivers—Picture Your Next Drive
- Track Day Domination: Feel the adrenaline as your turbocharged B58 rockets down the straight, exhaust note sharper and throttle more responsive than ever.
- Mountain Pass Thrills: Experience effortless overtakes and intoxicating sound on every twist and turn, knowing your downpipe can handle extreme loads and temperatures.
- City Cruising with Style: Turn heads with a rich, sporty exhaust tone—paired with a polished, mirror-finish look that stands out at every meet.
Must-Read Owner FAQ
- Will this downpipe fit my BMW?
- Yes! It’s designed for BMW F/G-Series Mx40i and x40i models with the B58 3.0T engine (2016–2019), and works with both RHD and LHD vehicles.
- Can I install it myself?
- With CNC-machined flanges and precision fit, installation is straightforward for experienced DIYers or professional workshops.
- Will I need an ECU tune?
- While you’ll gain 20-25hp without a tune, pairing with a tune unlocks the full 50-100hp potential. For optimal performance and reliability, tuning is recommended.
- What about check engine lights or emissions?
- This is a catless downpipe designed for off-road/track use. An ECU tune can help address CEL issues; check your local regulations before installation.
- Does it work with upgraded turbo kits?
- Absolutely. It’s fully compatible with AME Motorsport Stage 2, 3, and 4 turbo kits—engineered to handle big power builds up to 1,000HP.
Technical Specifications
- Application: BMW F/G-Series (Mx40i / x40i) B58 3.0T, 2016–2019
- Material: SS304 Stainless Steel (1.5mm thickness)
- Welding: TIG Welded
- Finish: Mirror-Polished, Sandblasted Prepped
- Design: Catless, High-Flow
- Compatibility: RHD & LHD, Stage 2/3/4 Turbo Kits
- Power Handling: Up to 1,000HP
- Horsepower Gains: 20–25hp (no tune), 50–100hp (with tune)
- Flanges & Fittings: CNC Machined SS304
- Origin: In-house Designed & Tested in Australia
Ready to upgrade your BMW’s sound, power, and presence? Choose the AME Motorsport Catless Downpipe—engineered for true enthusiasts who settle for nothing less than the best. Order now and experience the exhilarating performance transformation your F/G-Series B58 truly deserves!
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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