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#5 Re: P0420 code
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10-29-2012

I meant tune it out with the high flow cat

98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
01 gt z7 turbo tep trans zzp motor
08 g8 gt cam exhaust 11.87@118

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