Description
xUnleash Maximum Power: BMW X4/Z4 B48 2.0T Catless Downpipe | Ultimate Performance for Tuned Engines
For passionate BMW enthusiasts and performance modders, nothing compares to the thrill of unlocking your car's full potential. Whether you crave sharper throttle response, a more aggressive exhaust note, or the unbridled joy of extra horsepower, stock components can feel limiting. You demand parts engineered for power, precision, and reliability—because your BMW deserves nothing less.
Introducing the AME Motorsport BMW X4 (G02) / Z4 (G29) 2021+ B48 2.0T Catless Downpipe—your gateway to real, dyno-proven gains. Designed and crafted in Australia from premium materials, this downpipe is the high-flow upgrade trusted by serious enthusiasts and track-day warriors alike. Transform your driving experience and leave factory performance in the dust.
Experience Next-Level Performance Benefits
- Serious Power Gains: Add 20-25hp instantly without a tune, or unleash up to 100hp with ECU tuning.
- Optimized Flow for Turbo Builds: Engineered to match seamlessly with Stage 2, 3, and 4 turbo kits for maximum efficiency and reliability.
- Universal Fitment: Designed for both Right Hand Drive (RHD) and Left Hand Drive (LHD) BMW X4 (G02) and Z4 (G29) 2021+ models equipped with the B48 2.0T engine.
- Race-Ready Construction: Precision TIG welding and CNC-machined SS304 stainless steel deliver durability under extreme conditions.
- Track-Worthy Aesthetics: Mirror-like polished finish and sandblasted components ensure both beauty and performance under the hood.
Why Choose AME Motorsport?
Engineered Excellence, Australian Quality. Every AME Motorsport downpipe is developed in-house by expert engineers and fabricators in Australia, ensuring meticulous attention to detail. Our use of 1.5mm thick, corrosion-resistant SS304 stainless steel guarantees long-term durability, even at power levels up to 1,000HP. From precise CNC-machined flanges to expert TIG welds, every component is built for perfect fitment and uncompromising performance, setting AME Motorsport apart from generic imports and mass-produced alternatives.
Built for BMW Owners—Imagine the Scenarios:
- Track Day Dominance: Experience relentless acceleration and turbo spool, shaving seconds off your lap times with every corner exit.
- Mountain Road Thrills: Revel in responsive throttle and a raw, exhilarating exhaust tone as you carve through winding passes.
- City Cruising with Style: Turn heads with a polished, performance-focused look under the hood and a distinctive, sporty sound on every street.
Must-Read Owner FAQ
- Will this downpipe fit my BMW X4 or Z4 with the B48 engine?
- Yes. This downpipe is specifically designed for BMW X4 (G02) and Z4 (G29) models from 2021 onwards equipped with the B48 2.0T engine. It fits both RHD and LHD vehicles.
- Is ECU tuning required after installation?
- No tune is required for immediate gains of 20-25hp. However, pairing the downpipe with an ECU tune can deliver up to 100hp increases for maximum results.
- How does the exhaust sound change?
- Expect a deeper, more aggressive exhaust note with increased turbo spool and a sportier presence—perfect for enthusiasts who appreciate audible feedback.
- Is installation straightforward?
- Yes. The precision-machined flanges and perfect fitment make installation direct for experienced DIYers or professional shops. All mounting points are OEM-compatible.
- Will this downpipe work with future turbo upgrades?
- Absolutely. It is engineered to synchronize with AME Motorsport Stage 2, 3, and 4 turbo kits, supporting power outputs up to 1,000HP.
Technical Specifications
- Compatibility: BMW X4 (G02) / Z4 (G29) 2021+ with B48 2.0T engine (RHD & LHD)
- Material: 1.5mm thick SS304 stainless steel
- Construction: Precision TIG-welded, CNC-machined flanges and fittings
- Finish: Mirror-polished, sandblasted for optimal surface quality
- Performance Gains: +20-25hp (no tune), +50-100hp (with tune)
- Power Handling: Up to 1,000HP
- Turbo Kit Compatibility: Stage 2/3/4 ready
- Origin: Designed and engineered in Australia
Ready to Experience Unmatched BMW Performance?
Upgrade to the AME Motorsport Catless Downpipe and transform your BMW X4 or Z4 into the ultimate driving machine. Enjoy race-grade power, sound, and reliability—crafted for those who demand the best. Order yours now and ignite your passion for performance!
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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