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Primary Sport Catalytic Converter Downpipes
Primary sport catalytic converter downpipes for the BMW M5 (G90/99), 2024+, fitting cars with the 4.4L twin-turbo V8. Replaces the restrictive factory catalytic converters with complete German German manufacturer of the high-flow catalytic converters Fabspeed fits in its sport cat products. 200-cell high-flow cats for stronger throttle response and a more aggressive exhaust note, while remaining emissions compliant — Fabspeed guarantees no catalyst-related check engine light. Built from T304L stainless steel with CNC-machined billet flanges and laser-cut brackets, made in-house at Fabspeed, with inlet and outlet flanges shaped to fit into the engine's "hot V" layout. A direct bolt-on replacement for the stock assemblies.
Frequently asked
Which cars does the Primary Sport Catalytic Converter Downpipes fit?
Fits your BMW M5 (G90/G99, 2024+). Fabspeed lists this piece for: BMW M5 G90/99 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.
Will this trigger a check engine light?
No, Fabspeed guarantees no catalyst-generated check engine light with these downpipes.
What catalytic converters are used?
German HJS 200-cell high-flow catalytic converters.
Does this fit the 4.4L V8 M5?
Yes, it's built for the BMW M5 G90/99 equipped with the 4.4L V8 (2024+).
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.
