Challenge presents their Race + x pipe!

Challenge Engineering is known for having an extensive collection of x pipes for the E9x M3 to suit every need and sound preference, but there is one group of M3 Enthusiasts that are left out even with Challenge’s broad lineup- guys that really want the meanest, loudest M3 they can have.

For those people, Challenge has created the Race + x pipe. The Race + is lighter in weight than any other Challenge x pipe, and will give an M3 the most aggressive sound possible.


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