Included with the purchase of each Z1 M-Spec exhaust is our dual wall exhaust silencer. The silencer allows you to lower the sound output of your Z1 exhaust to give you the option of comfortable driving on the street.

This silencer is a replacement for the following exhaust:

• Z1 Motorsports M-Spec 350Z / G35 Y-Pipe Back Single Exhaust
• Z1 Motorsports M-Spec 350Z Cat-Back Single Exhaust
• Z1 Motorsports M-Spec G35 Coupe Cat-Back Single Exhaust
• Z1 Motorsports Universal Muffler - 3''