Thread: Billy Boat Exhaust
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Old 10-11-2018, 06:51 AM   #241
Goldfish
 
Drives: 18 2SS 1LE
Join Date: Jul 2018
Location: OK
Posts: 112
Quote:
Originally Posted by 18ss376 View Post
Did you mean 50hp?
BBE told me 50-75hp gain on my LT1 with complete system.
Cat-back vs. headers back + tune numbers I assume.
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