Restricted exhaust pipe
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Joined: Jul 2021
Posts: 13
From: O'Fallon , Missouri
Restricted exhaust pipe
Hey everybody, got a 2000 Sonoma , 2wd 4.3L auto . I installed JBA headers and the pipe they connect to is tiny in diameter and flowing into Mangalore cutback. Do any companies make a larger diameter pipe the headers connect to? Seems very restricted and losing HP .
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Blazonaire
2nd Generation S-series (1995-2005) Tech
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Oct 12, 2015 11:02 AM