Dave,

Where did you have them terminate the end of the exhaust???

If it's still in front of your rear axle like I can see in your photos from your signature line, extending out the back of the truck fully should help reduce your cab noise level.


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)