Supersprint HJS Motorsport 100 CPSI Catted Turbo Downpipe Kit for BMW 640i F12/F13 (N55) – High-Flow Metallic Sports Cat Performance Upgrade
Supersprint HJS Motorsport 100 CPSI Catted Turbo Downpipe Kit for BMW 640i F12/F13 (N55) – High-Flow Metallic Sports Cat Performance Upgrade
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Supersprint HJS Motorsport 100 CPSI Catted Turbo Downpipe Kit for BMW 640i F12/F13 (N55) – High-Flow Metallic Sports Cat Performance Upgrade

£1,938.82
£1,938.82
£1,958.40
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Supersprint Downpipe Kit with HJS 100 CPSI Sports Cat for BMW 640i F12 F13 N55

Upgrade your BMW 640i F12 or F13 with the Supersprint downpipe kit featuring the HJS Motorsport high-flow metallic catalytic converter, 100 CPSI. Built for the N55 3.0 single turbo engine, this catted downpipe is the go-to BMW 640i performance exhaust upgrade for faster turbo spool, reduced back pressure, sharper throttle response and a deeper, more engaging exhaust tone. If you are searching for BMW 640i downpipe, BMW F12 downpipe, BMW F13 downpipe, N55 downpipe, 100 cell sports cat or catted downpipe for 640i, this is the premium Supersprint and HJS solution that delivers maximum flow and outstanding build quality.

We have installed and run this Supersprint HJS 100 CPSI sports cat on customer 640i cars with excellent results. Feedback has been consistently positive for drivability, sound quality and performance potential when paired with a suitable tune. It is a popular choice for N55 owners progressing toward stage 1 or stage 2 software setups.

Key Features

  • HJS Motorsport high-volume metallic catalytic converter
  • 100 CPSI 100 cell sports cat for maximum flow and performance
  • 130 mm high-volume cat core section
  • Designed for the BMW N55 3.0 single turbo engine
  • Delivers straight-pipe level performance characteristics with catalytic efficiency
  • Great efficiency in decreasing emissions compared with decat race systems
  • Helps reduce back pressure and lower engine operating temperatures
  • Enhanced turbo spool and throttle response
  • Quality European manufacture by Supersprint with HJS Motorsport catalyst technology

Description

This Supersprint turbo downpipe with high-flow HJS metallic cat is engineered for the BMW N55-powered 640i. The 100 CPSI sports catalyst offers maximum exhaust gas flow while maintaining catalytic function, providing a significant performance foundation for tuned N55 cars. Expect quicker boost response and a purposeful exhaust note without excessive cabin drone. Supersprint’s precise fitment and HJS’s premium motorsport cat technology make this one of the best BMW 640i downpipe upgrades available for F12 and F13 platforms.

Caution: to avoid a Check Engine Light related to turbo boost pressure above the recommended range, an ECU piggyback module or an ECU tune is required. Pairing this downpipe with a professional calibration is highly recommended to optimise performance and drivability.

Compatibility

  • BMW 640i F12 and F13 with N55 engine from 07/2013

Part Numbers

  • 986321
  • 982921

Warranty

Supersprint 3 year warranty.

Fitting and Support

Professional fitting available at Nforcd in Warwickshire. For a quote or to book installation, email Sales@nforcd.com.

SEO and Search Terms

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