Maserati Quattroporte sport cats (KATALYSATOR CATALYSTS)
Direct replacement for OEM ceramic catalysts!

Compartible with Maserati Quattroporte M139 2003-2005 years

Exceptional exhaust sound for Your supercar with these secondary cats bypass pipes!

This offer is suitable only for 3 bolts OVAL exhaust flange (possible also 3 bolts symmetric flange version).
But feel free to ask other configurations if necessary, it can be customized and made up to Your wish.

Standard OEM ceramic converters are dangerous for your vehicle motor because they tend to crumble during time and small parts of it can get into engine causing serious damage to it !!!
MAGNAFLOW converters (made in USA) used in this kit have a metallic working element, so they are 100% safe for your engine and will last much longer.

It is direct replacement for OEM cat sections, You only need to chenge secondary lambdas wire length.
Handmade installation kit uses 304 grade stainless steel (Edelstahl).
  • Quality TIG welded assembly. Mirror polished finish.
  • Laser Cut Mounting Flanges 10mm thickness.
  • MAGNAFLOW quality sport metallic high flow catalytic converters (made in US), model 59555 (high load version), rated up to 600bhp each.
  • Catalytic converters are 130mm in diameter and have metal-core 200 cpsi (Cells Per Square Inch).
  • Converters compatible with OBD II Euro 4 standard.
  • These converters are very light weight and allow more exhaust flow through the pipe.
  • Front lambda sensors positioned before the cats and rear sensors after the cats, so you will not get check engine light (CEL). 
  • Car can pass all emissions tests (MOT). 
  • No ECU reprogramming is needed after installing these cats.
  • Thermocouple connectors will be included in the kit according to Your car modification (but not displayed on some attached pictures).
  • Simple installation - can be DIY.
  • These cats sections give Your car about 18 hp additional power and much better throttle response!!!
  • Installation kit include all necessary hardware: strong bolts (grade 12.9) with copper nuts.
  • Tested for good/exact fit prior sale.
  • Weight 8kg (for both pipes)
Check sound with these sport cats installed:
https://www.youtube.com/watch?v=jJ8Xh_iov1I

Check sound with these  sport cats and X pipe (see my other items):
https://www.youtube.com/watch?v=lDR-rq4uCXI

Postage cost:
Europe - 30 EUR
Europe(non EU) - 50 EUR
USA and Canada - 65 EUR
Australia and New Zealand - 95 EUR
others - please contact me

Order will be posted in 7 business days. Delivery to Europe is generally 2-10 days. 

Returns possible by agreement with the seller.
Buyer pays return postage.

Compatible Maserati OEM part numbers:
211199 211200 206439 206442