![Downpipe / Sports Cat [Mk3 Focus RS] - Fully Fitted fitted-golf7gti - excellent cold-start behavior](https://cdn.shopify.com/s/files/1/0367/2621/products/2536-dpsc-ba_9fd03056-3700-41f5-8888-ec7bb818c512.png?v=1675412724)
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- excellent cold-start behavior
It also ensures that if the subframe is removed
The m365 calibration has been fully optimised to utilise either the mountune high-flow panel filter or carbon fibre induction kit
it's also a safety feature to stop your exhaust from coming off
particularly when the power output has been increased
Downpipe / Sports Cat [Mk3 Focus RS] - Fully Fitted fitted-golf7gti - excellent cold-start behaviorThe mountune Downpipe Sports Cat has been engineered for the mk3 Focus RS to reduce exhaust back pressure at the turbocharger, allowing faster response and additional power. The 3" pipe includes a large diameter 5 motorsport type, 200 cell count metal substrate honeycomb catalyst, to ensure effective, ultra high flow performance in extreme environments. We recommend this product is fitted with mountune V3 cat back exhaust. Please note: Revised engine