| I run a 4" silverline 409 ss no muffler turbo back on my early 07 and i like it alot. Its quit we you need it to be but when you put the hammer down its loud as hell. Egt's are low and not much drone inside. My late model 07 lbz I just put on the magnaflow 5" system and had to keep the muffler on cause it was to loud even for me , but they both have there ups and downs.
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2007 lbz 4" turbo back edge juice with attuide hot also stacked ppe hot 2 with fuel rail plug shimmed.Runing 275/60/20 Terra grapplers on moto metals.Dyno tested 475 hp and 890 ft lbs at rear wheels. Best pass is 13.48 at 103mph 1/4 mile at dragway 42 in ohio. |