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Old 12-17-2018, 10:19 AM   #10
jayoldschool
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Join Date: Dec 2012
Location: ON, Canada
Posts: 2,152
Re: 1966 C10 Exhaust Resnonance issues

Quote:
Originally Posted by njc1230 View Post
Hi guys, thanks for all the responses. With the short wheelbase, the mufflers are underneath the cab, and theres nothing in the exhaust system other than the mufflers. No x pipe, h pipe, resonators, etc. I found these mufflers from Walker on Summit called "SoundFX" that are supposedly really quiet and Im considering putting those in. Yes, they wouldnt be the best for performance, but its already plenty fast for me.

https://www.summitracing.com/parts/wlk-17808/
The muffler location and the dumps are 100% the problem. Mufflers need to go under the bed, and the exhaust needs to exit behind the rear wheels. Your problems will immediately disappear.
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