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Maxflo Performance Exhaust System
Maxflo mufflers and inlet tubing for the Porsche 986 Boxster/S (1997-2004), replacing the factory exhaust for a deeper sports car sound and sharper throttle response. Built from 14-16ga CNC Bent over an internal mandrel so the tube keeps a constant diameter through the bend, unlike crush-bending. T304 stainless steel, it adds 8whp and 11 Nm of torque and saves 14 kg over the full factory system. The street version keeps German manufacturer of the high-flow catalytic converters Fabspeed fits in its sport cat products. sport catalytic converters for emissions compliance (or deletes the redundant secondary cats on 2000-2004 US cars); a 1997-1999 race version uses Removes the catalytic converters entirely; legal only for closed-course track or off-road use, not street driving. pipes for off-road/track use.
Frequently asked
Does the Maxflo Performance Exhaust System fit my Boxster?
This listing is specific to the Porsche Boxster (986). 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.
What's different between the year options?
The 2000-2004 US-only option deletes the redundant secondary catalytic converters without causing a check engine light. The 1997-1999 Street Sport Cats option, also used for all 1997-2004 EU and ROW cars, includes HJS sport cats to stay emissions compliant. The 1997-1999 Race Cat Bypass option is a catless setup Fabspeed recommends for off-road and track use only.
Will the street configurations trigger a check engine light?
No, Fabspeed says the street-oriented configurations do not trigger a check engine light.
How much power and weight does it change?
Fabspeed lists a gain of about 8 whp and 11 Nm of torque, and the system saves 14 kg from the rear of the vehicle compared to the full OEM exhaust.
Which option should I choose?
US 2000-2004 cars get a system that deletes the redundant second catalytic converter set with no check-engine light. 1997-1999 (and 1997-2004 EU/ROW) cars choose between a street version with sport cats fitted (emissions compliant) or a race cat-bypass version for closed track and off-road use only.
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.
