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The VA Motorsports B48 Downpipe for BMW F and G Series models is all about freeing up performance that’s been hiding behind factory restrictions. If you’re running a B48 engine, this downpipe clears the way for quicker turbo spool, more power, and that deep, aggressive sound BMW owners are always chasing. It replaces the restrictive stock setup—catalytic converter and all—to reduce backpressure and let your engine breathe the way it should’ve from day one.

Built from mandrel-bent 304-grade stainless steel and finished with a precision CNC-machined flange, the construction feels as serious as the gains. It fits right, holds up under heat, and flows smooth—no sharp angles, no compromises. The flange bolts up tight and clean, avoiding leaks or headaches down the line. Just solid, dependable performance.

Now here’s something that matters: it’s available in two versions—with OPF or without. So, if your model comes with a GPF/OPF (Gasoline/Particulate Filter), VA Motorsports has you covered with a version that’s designed to integrate without issue. And if your car’s free of that filter, the non-OPF version keeps things even more straightforward. Either way, fitment is spot-on, and performance gains are real.

Designed for BMW F and G Series platforms with the B48 engine, this downpipe brings new life to models like the 120i, 320i, 330i, and others. The power bump is noticeable, throttle response is sharper, and you’ll finally hear the turbo working like it means it. It’s a performance upgrade, sure—but it’s also a character upgrade. The car feels different. More alive.

And you don’t need to worry about long-term reliability. VA Motorsports backs this part with a lifetime warranty and no-fuss support if you ever need it. So if you’re after more sound, more response, and a smarter way to let the B48 engine stretch its legs, this downpipe is exactly what you need—available both with and without OPF, depending on your setup.

ADDITIONAL INFORMATION:

Brand

Material

304 Stainless Steel

PREPREG is a common term for a reinforcing fabric such carbon which has been pre-impregnated with a resin system. This resin system (typically epoxy) already includes the proper curing agent. As a result, the prepreg is ready to be laid into the mold without the addition of any more resin. In order for the laminate to cure, an autoclave production process is used, a combination of high pressure and heat.

  • Maximum strength and performance characterictics. In a hand layup production process, it is difficult to achieve 50% fabric and 50% resin content.  Typical hand laminates, even when vacuum bagged, end up with a significant amount of excess resin. Excess resin increases brittleness and reduces overall strength properties. On the other hand, most prepregs contain around 35% resin. This is ideal for maximum cured properties and generally impossible to achieve in normal hand lamination.
  • Uniformity and repeatability. The prepreg is of uniform thickness and each part coming out of the mold may theoretically be the same. Vacuum bagging technology may have some errors in processing, but prepreg ensures production consistency.
  • Reduce curing time. After the thermal curing cycle, no need to wait for the standard 48 hours can be fully cured.
  • Aesthetics. Although prepreg processing still requires mold preparation and demoulding, prepreg processing eliminates air bubbles, makes it easier to obtain a smooth, glossy surface as well as eliminates any seaming lines.

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We offer free tracked shipping on all orders within mainland EU. Orders to remote areas such as Malta, Cyprus, and Iceland may incur a surcharge. Worldwide shipping is also available—please contact us for a quote.

Most orders dispatch within one business day (Monday to Friday). EU delivery takes 3–5 working days from dispatch, and tracking details will be provided via email once your order has shipped.

Please note that import taxes may apply outside the EU, and these are the responsibility of the buyer. Some items may ship directly from our suppliers and may have varying delivery times. If an item is out of stock, we will contact you to discuss the available options.

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RETURNS

Changed your mind? You can return unused, uninstalled items in original packaging within 30 days of delivery. Return shipping is the customer’s responsibility unless the item is faulty.

Custom, used, or built-to-order items are non-returnable.

Once we receive and inspect your return, refunds are typically processed within 10 business days.

If your item is damaged or incorrect, contact us within 48 hours with photos and order details.

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WARRANTY

All VA and VA Motorsports products come with a 1-year limited warranty covering manufacturing defects and fitment issues. For third-party items, warranty terms vary by brand—please check the product listing or contact us for details.

This warranty does not cover wear and tear, incorrect installation, cosmetic damage, labor, or third-party costs.

To start a claim, email us with your order number, issue description, and photos. If the claim is approved, we’ll offer a replacement, store credit, or a refund.

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VA Motorsports B48 Downpipe F & G Series
VA Motorsports B48 Downpipe F & G Series
Price range: 319.99€ through 359.99€