WTB: Automatic stock mufflers 05-09

[Macman45]

FOUND

 

[Macman45]

SCAMMER

 

[07gts197]

I have a set of the premium mufflers but I don’t know if they’re gta’s or not.


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[Midlife Crises]

What’s a automatic stock muffler? Will it make my car shift quieter?

 

[Macman45]

What’s a automatic stock muffler? Will it make my car shift quieter?

You’re probably trolling but in the GT cars there were different axle backs for manual and auto cars due to cruising RPM for drone reduction etc. Auto mufflers have different baffling to account for the lower RPM they usually run at. Auto muffler were also standard on the GT500. Part number 99 is auto, 97 is manual.

Anyways I found my set. Thanks.