Quote:
Originally Posted by derotoreut
So I'm assuming any flex generated in the system by engine torque is insignificant in this application. And without catalytic converters there is no concern of excessive heat that may cause thermal expansion issues. Thank you for taking the time to explain this.
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Yes, your assumption would be correct. You can use exhaust systems designs of OE manufacturers as an example as to whether bellows are required from an engineering standpoint. You will be hard pressed to find one used in any OE exhaust system other than at a critical or highly constrained hot-end component connection. They don't spend a nickle or dime they don't have to.