Thread: CSP Headers and 1700hp gen2 cats
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Old 06-28-2021, 05:12 PM   #30
Z OH 6


 
Drives: 2024 CT5-V Blackwing
Join Date: Sep 2020
Location: GA
Posts: 3,557
Which part number are the new cats? 85230 3" inlet or 85240 4" inlet?
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