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Racing Dynamics Catted Downpipe with Heat Shield - BMW B58 2016+ / M240i / 340i / 440i / 540i

Racing Dynamics Catted Downpipe with Heat Shield - BMW B58 2016+ / M240i / 340i / 440i / 540i

$152.80$115.15
Product details

Description Eliminates the largest restriction in your exhaust. 4 1/2″ input flange with 4″ mandrel bent downpipe manufactured out of 304 stainless steel, TIG welded with brushed finish. For left hand drive models only! Features Straight-through design allows for maximum power and sound. Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound Includes flex joint to reduce vibration from the engine and allows alignment during installation Improves horsepower and torque significantly. Approximately 25 HP with a tune.

Catted downpipe has heat shield over its outer surface to better direct the exhaust heat out the exhaust. Heat shield is used to protect surrounding parts, wires, and hoses against radiant heat from the downpipes. Integrated thermal insulation reduces surface temperature up to 70% Direct bolt-on replacement for OEM primary catalytic converters Less thermal load on the turbocharger Reduces turbo lag These parts are intended for off road or track use only!

This product is sold for off road use only. It is not legal for use on public highways. This product is not for sale or use in California. It is available to our international customers for use within legal limits in their domicile.