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Old 09-28-2019, 03:26 PM
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AG AG is offline
Ultimate Warrior
 
Join Date: Feb 2000
Location: NH
Posts: 3,240
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I got the system w/o mufflers and bought Dynomax ST 20" long. The system is pretty mild even behind the 530 Hp 455.

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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule.