I got the Hooker cat back about a month and a half ago. Now on start-up and low rpm engine load the muffler rattles against the floor of the car. I think there is a heat sheild that it is hitting. Anyways it sounds horrible and is annoying especially when people get in my car and shiver when the exhaust rattles like its gonna fall out. Can I put a piece of rubber or dynomat stuff between the muffler and what ever it is hitting? Or can I just tighten something?

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1990 RS 305 TBI T-5
.5" turbocity spacer
Summit 14X3 OpenElement W/k&N
Hooker 3" Areochamber
MSD - Wires, Cap, Rotor, Coil
Bosch Platinum +4 plugs
Metallic Red w/28,000 Pampered miles
(Still have the original wiper blades)

 

have you tried adjusting it ????

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1988 Sport Coupe 305 TBI
K&N
Flowmaster exhaust


Daily driver:
1988 K1500 5.7 4x4 shortbed flowmaster cat-back gutted cat.
AOL: RyanNH84