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Sport Cat Downpipe
Fabspeed's Sport Cat Downpipe fits the M240i with the largest HJS catalytic converter that fits the chassis, chosen in consultation with HJS Motorsport for the best flow, reliability and sound. It flows 93% of a 3-inch straight pipe while staying emissions clean with no check engine light, and is rated to support over 1200hp. On Fabspeed's dyno it made maximum gains of 29 ft-lbs of torque at 3,700rpm and 21hp at 6,000rpm, gained across the rev range. Expect a subtle increase in exhaust volume with more deceleration pops and burbles, and no added An unwanted droning resonance at certain highway rpm, where exhaust pulses match the cabin's natural frequency. — add Fabspeed's Muffler Bypass System for a more aggressive note. Built from Bent over an internal mandrel so the tube keeps a constant diameter through the bend, unlike crush-bending. T304L stainless steel, it's a simple bolt-on that saves 1 lb (0.4kg) over the factory system.
Frequently asked
Which cars does the Sport Cat Downpipe fit?
Fits your BMW M235i/M240i (F22, 2014-2021). Fabspeed lists this piece for: BMW M240i vehicles 2017+ (2016+ in the EU); BMW M240i (F22) (2016+). 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.
How much power does it add?
Fabspeed's dyno testing showed maximum gains of 29 ft-lbs of torque at 3,700rpm and 21hp at 6,000rpm, gained across the rev range.
Will it trigger a check engine light?
No, it's designed to be emissions clean with no check engine light.
How can I get a more aggressive exhaust note?
Add Fabspeed's Muffler Bypass Exhaust System; the Sport Cat Downpipe alone gives a subtler increase in volume with no drone.
How much power can this catalytic converter support?
Fabspeed rates it to support over 1200hp.
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.
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