Dyno Charts Go Here
#21
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2008 Grand Prix GXP k&n cai, tbs, 3" catless DP, magnaflow exhaust w/ res removed, tuned on 3/3/10 by www.speedinc.com Schaumburg IL
Attachment 219276
Attachment 219276
#23
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https://ls1tech.com/forums/ls4-front...ned-today.html
Scroll down about half way to find the dyno sheets
Scroll down about half way to find the dyno sheets