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2743-DPSC-AA

Downpipe / Sports Cat [Mk4 Focus ST]

The 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 for performance, reliability and aesthetics.

Additionally, robust OE-style mounting brackets and hangers are utilised to maintain perfect alignment and OE-like fitment and also incorporates an 8” stainless steel flexi section to help absorb shock and prevent OE hanger failure.

Revised engine calibration will be required for optimal performance and will emit the EML without it, but by simply replacing your downpipe and removing the inherent restriction, you can expect a peak performance gain of 10PS and 10Nm, with an even more substantial torque increase spread across the entire rev-range. 

Features:

  • 10PS / 15Nm peak power / torque increase
  • Large diameter motorsport-style, high-flow 200 cell catalyst
  • 3” AISI 304 mandrel bent stainless steel tube
  • Robust OE-type mounting bracket and hangers
  • 8” stainless steel flex joint
  • Compatible with all exhaust systems that retain the factory break point
  • Supplied with required gasket and hardware
  • TIG welded construction

WARNING:
This product has been designed and is intended for UK markets and complies with UK MOT tailpipe emissions regulations. Installation of this part on a vehicle that is driven on public roads outside the UK may violate other territories laws and regulations relating to emission requirements and motor vehicle safety standards.

    Customer Reviews
    5.0 Based on 12 Reviews
    5 ★
    100% 
    12
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    Filter Reviews:
      A
      24/04/2023
      Anonymous
      Spain Spain

      Brillant cuality

      Its was easy to intall, and te sound its just amazing

      A
      15/04/2023
      AshleyT
      United Kingdom United Kingdom

      Work of art

      Purchased the Sports Cat as part of upgrading to Stage 2 and as expected the quality of this thing is a work of art, yes it may be a little more but I know with Mountune you get what you pay for and I never have any issues with quality of subsequently fitment with there products.

      CR
      31/03/2023
      Carl R.
      United Kingdom United Kingdom

      upgrade

      TOP SERVICE AS USUAL