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Fabspeed Maserati Quattroporte Maxflo Performance Exhaust System (2004-2007)

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$2,395.95 - $2,495.95
Calculated at Checkout
HP (whp):
TQ (ft/lbs):
WT (lbs) / (KGs):
-20 / -9
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Fabspeed Maserati Quattroporte Maxflo Performance Exhaust System (2004-2007)

$2,395.95 - $2,495.95

Fabspeed Maserati Quattroporte Maxflo Performance Exhaust System (2004-2007)

$2,395.95 - $2,495.95

Dramatically improve sports car sound and throttle response with our Maxflo Mufflers and your choice of finish on the deluxe quad style tips.

Unleash the Ferrari V8 inside your Quattroporte. Expect a much louder tone, but still tame enough for daily driving. 


  • Fits all Maserati Quattroporte vehicles (2004-2007)
  • Increases power and throttle response
  • Saves 20 lbs / 9 KGs from factory muffler system
  • Constructed from high quality 14-16ga CNC mandrel-bent T304 stainless steel for maximum performance and durability
  • Noticeable improvement in sports car sound and throttle response
  • Simple DIY (Do-It-Yourself) bolt-on installation, no cutting or welding required
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.