Upgrade your M5ās performance with IRL Maxflow 3.5ā 400celĀ downpipes, which alleviate back pressure from stock catalytic converters. By switching to our downpipes, your turbos will spool faster and reach peak power. Gains of 30HP boost with stock turbos. The flex pipe section reduces strain and vibrations caused by the downpipes. Other features include smooth bends for optimal airflow and a recommended professional installation.
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It is a violation of Federal and Illinois State laws to use this product in a manner inconsistent with itās labeling.Ā Our products are "Legal Only For Racing Vehicles Which May Never Be Used, Or Registered or Licensed For Use, Upon A Highway."
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These productsĀ are designed for off road Ā purposes only It isĀ NOTĀ designed or intended to be used in any way that may violate any laws. IRL LLC will not be responsible for the use of Merchandise. Ā
