AIRTEC Motorsport De-Cat Downpipe for BMW B58 Engine.
By removing the original restrictive catalytic converter located within the factory OEM downpipe, back pressure is hugely reduced, which in return means faster response, increased power and a more aggressive exhaust note.
The key item of exhaust back pressure control with knowhow of HKS CZ200S (CZ4A).
Maximization of performance from stock turbine is the concept of the product.
Extension portion and Front Pipe portion are connected with a flexible joint.
It improves “durability” that is an important factor of tuning.
It offers new tuning possibility for EVO X.
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