BMW S55 M3 M4 Downpipe

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RVS downpipe voor de BMW F80, F82 en F83 met S55 motor

76mm Downpipe without catalyst or particulate filter for the following models with S55 engines:

  • BMW 3-Serie F80 M3 2014->
  • BMW 4-Serie F82 M3 2014->
  • BMW 4-Serie F83 M4 2014->

Suited for versions with 431hp. 

Replaces OEM nr:

  • 18327848041
  • 18327848044

By installing a larger bore downpipe backpressure in the exhaust drops which makes the turbo rev easier which means the turbo starts building pressure at lower RPM's. If during shifting the pressure drops it also builds back pressure faster. 

By only installing a larger diameter downpipe the horsepower usually rises between 15 and 20hp and torque also goes up by 25 to 30Nm. Combining a downpipe with chiptuning brings even more extra power.

A software update (chiptuning) would be advised.

This product is not intended for use on the open road.

More Information
SKU Downpipe_BMW_1438
Product Brand Chargertech
Sold per 1
With catalytic converter No
Car Brand BMW
Car Model M3, M4
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