Sale

Thermal

R&D Cat-Back Exhaust System

$1,599.00 $820.18 Save $778.82

SKU: B907-C907

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Thermal R&D B907-C907 is a cat-back exhaust system engineered for the 2014-2019 Ford Fiesta ST. Constructed from 3-inch T304 stainless steel, this system aims to enhance both the sound and performance of your Fiesta ST. It features a mill finish for the tubing and resonator, contrasted with polished dual 2.5-inch angle-cut tips for a refined aesthetic that fits the OEM valance. Thermal R&D specifically designed this cat-back system to mount directly to the factory catalytic converter and utilize existing OEM hangers, simplifying installation. To combat the drone often associated with larger diameter exhaust tubing, the B907-C907 incorporates a straight-through resonator in the mid-pipe and another in the rear section. This design allows for unrestricted exhaust flow during acceleration while effectively deflecting unpleasant tones during cruising. The system also comes with a limited lifetime warranty for the original purchaser, provided it is used as intended and installed correctly.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandThermal
Part NumberB907-C907
CategoryExhaust

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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