Thread: [1968] 390 ci muffler
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Old 03/07/2017, 08:22 PM   #8
robert campbell
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Location: Bremerton Washington
Joined: Apr 07
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I am on the Flowmaster frequent buyer plan. 2 chamber 40's for loud and 3 chamber 50's for more civilized throaty sound. I assume you have the correct valance for dual exhaust with GT tips? You will need a complete exhaust system from the h pipe back on this car. Flow master offers a 2.5 system for this car that eliminates the transvers muffler and has 2.5 pipes over the axel to the rear. If you go this way then the GT style tips are only 2.25 from what I have seen. If you do not have the GT exhaust valance then you are good to go to dump them at the valance at a 45 degree cut off. This type of dump does raise a bit of a dust cloud in dry weather.

Rob
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