Thermal R&D Cat-Back Exhaust Focus ST

  • The Ford Focus ST needed a true 3” diameter exhaust for peak performance. The system also demanded Thermal R&D's 'True Helmholtz Technology' to eliminate the drone that would inevitably sneak in if not properly addressed. After including a resonator in the mid-pipe, the copmany added an external Helmholtz resonator to cancel specific frequencies – namely drone at cruising speeds. A unique tip that fits the OEM valance perfectly rounds out an exhaust package that any ST owner would be proud to run on the street or the track.

    Thermal R&D Exhaust systems are designed with quality of sound and manufacturing as our number one goal. Built from T304 Stainless Steel, the fit and finish of Thermal products are designed for performance on both the street and the track. Understanding that the exhaust is the starting point for many builds, Thermal R&D high-performance exhaust will allow additional modifications to perform at their peak, with the goal of achieving the best all-around product for a given application.

    Fits all 2012+ Focus ST.

  • SKU#:

    Shipping Weight: 120.0 lb

    Manufacturer: Thermal R&D

    Category: Exhaust Systems

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