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This is only recommended if you already have a turbo upgrade or plan on installing one in the near future as it can cause a slight pressure drop on the OEM IS20

these leaks will cause boost leaks which cause your S55's turbochargers to work harder to hit and maintain target boost pressure

While using the stock turbo muffler delete with its 1

Standard ground shipping is included in the price

increasing turbo lag and causing your turbo to work harder

The ARM M240i Single Exit exhaust can be fitted with no cutting or trimming of the OEM System and can be swapped in 45 Minutes with a basic tool set

You also have the optional Dual Tip design

higher boost increases back-pressure at the OEM catalysts and chokes the S55's turbochargers

This crucial feature promotes safety and safeguards your BMW against any potential accidents or damage

• Fits FMIC's with OEM Connections• Fits Both MT and AT

• Precision CNC Machined Turbo Connections

we were able to make the same size valve flow a staggering 60% more than the original design -- that means 60% more air is blown off per cycle