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Tailored exclusive mountune design
but at the cost of turbulence
are fully road legal in the UK
✓ Leon Cupra - 2
yielding an impressive 2
Downpipe / Sports Cat [Mk4 Focus ST] Head Gasket Tailored exclusive mountune designThe mountune Downpipe Sports Cat has been engineered for the Mk4 Focus ST to reduce exhaust back pressure at the turbocharger, allowing faster response and additional power. Featuring a large diameter motorsport style, 200 cell count metal substrate honeycomb catalyst, to ensure effective, ultra high flow performance, the mountune downpipe sports cat is also constructed of 3 AISI 304 stainless steel mandrel bent tubing with TIG welded joins throughout
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