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Secondary Downpipes
Secondary downpipes for BMW's 4.4L twin-turbo V8, fitting the X5M, X6M, XM and Alpina BX7, 2024+. Replaces the factory secondary catalytic converters with straight-through T304L stainless steel pipes for maximum flow, with CNC-machined billet flanges and laser-cut brackets shaped to fit the engine's "hot V" layout, made in-house at Fabspeed. Designed to fit seamlessly with the factory exhaust system or any aftermarket system built to OEM fitment.
Frequently asked
Which cars does the Secondary Downpipes fit?
Fits your BMW X5M (F95, 2020+). Fabspeed lists this piece for: BMW X5M, X6M, XM, and Alpina BX7 equipped with the 4.4L V8 (2024+). Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
Which models does this fit?
BMW models with the 4.4L V8 from 2024 on: the X5M, X6M, XM, and Alpina BX7.
Will this fit my existing exhaust?
Yes, it's designed to fit seamlessly with the factory exhaust system, or any aftermarket exhaust built to OEM fitment.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
