Cat back ???
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Cat back ???
I have a 88 GTA
I have headers and a y pipe
Highflow cat and the magnafow cat back exhaust
This Set up worked amazing for years 305 you t5
Now I have a 383 t56 and I was just wondering if I need duals or bigger single?
What hp Does the exhaust max out at
What rpm
Ty
I have headers and a y pipe
Highflow cat and the magnafow cat back exhaust
This Set up worked amazing for years 305 you t5
Now I have a 383 t56 and I was just wondering if I need duals or bigger single?
What hp Does the exhaust max out at
What rpm
Ty
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