www.exhaustage.com Exhaustage.com reviews Fabspeed's new Ferrari 458 Maxflow exhaust. This videos includes three sound tests- 1) Stock Ferrari 458 Italia Exhaust 2) Stock Ferrari 458 exhaust Italia with Fabspeed headers and 200 cell Sportcat 3) Fabspeed Maxflow Exhaust with Fabspeed headers and 200 cell Sportcat 1) In stock form the 458 put down 450HP/316 ft-lbs of torque to the wheels. 2) The first thing Fabspeed did was build an efficient manifold which was a direct replacement for the OEM units. Fabspeed designed a header which had larger diameter primaries (1.75"/44mm compared to 1.5"/38mm) and featured a high-velocity 4-into-1 investment cast merge collector. The Fabspeed sport headers save 13lbs/5.9kg over the factory units, and improve power +34HP/38 ft-lbs of torque to the wheels @ 5900RPM. Fabspeed Sport Headers are a direct replacement for the OEM units, and can be utilized with the OEM catalytic converters or Fabspeed 200 cell Sportcats. Fabspeed's 200 cell, German imported high-flow tri-metallic sport race catalytic converters improve power by +24HP/20 ft-lbs of torque to the wheels and are a direct replacement for the OEM units. The stock catalytic converters are a 750 CPSI, while Fabspeed utilizes 200 cell OBD2 Euro level 5 catalytic converters to improve power, sound, while keeping the Check Engine Light off. These also save 11lbs/5kg compared to the stock catalytic converters. Again these are a direct replacement and can be utilized with the stock <b>...</b>
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