Something's Up with Exhaust - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-08-2007, 05:04 PM   #11
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Yeah its the cat. I guess I was overwhelmed when the noise disappeared. I've been looking around the forums to see what kind of cat I need but I just got confused. I know I have to measure my own pipe as to the in/out, but do I need a resonator? What about the lenght of the converter should I get the bigger magnaflow or the smaller? Would I need an extension pipe?
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