E9X Stainless Steel X Pipe – Street

E92 M3 stainless steel x-pipe
The Challenge Street X Pipe features 304 stainless steel piping and flanges, twin high flow resonators, and a precision fabricated X section. This pipe slip fits after your OEM cats, for easy installation with NO check engine lights! Best of all, no exhaust smell to alert the law at inspection. All bolts, gaskets, and stainless clamps necessary for install are included.

– Made in the USA
– Full stainless steel construction
– Laser cut and formed mounting brackets
– 2.5 in Piping
– Twin resonators for noise and drone reduction
– Retains factory primary cats
– No check engine light
– Flanged design for easy installation and upgrade options
– 10 wheel hp and 15 ft tq gains with factory exhaust
– Increased low end power

MSRP: $1095.00 USD


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E9X Stainless Steel X Pipe - Street - Challenge Engineering USA