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Old 10-07-2019, 12:19 PM
SD455DJ SD455DJ is offline
Ultimate Warrior
 
Join Date: Aug 2009
Location: Grand Rapids, MI
Posts: 3,253
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Quote:
Originally Posted by AG View Post
I got the system w/o mufflers and bought Dynomax ST 20" long. The system is pretty mild even behind the 530 Hp 455.
AG, thanks for the info on the mufflers.

I haven't been able to put any quality time on the GT-37 in the past few weeks, but hopefully soon.

Dennis