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What Hp Mods next?
Need some help have.a 2010 L-99 ss with following mods.
K&n Cai,Kooks long tube header with hiflow cats,ported throttle body, and gm performance exhaust.Dont know what to do before i send in for Ted's tune.
what should be next.
Pulley? gears? H-pipe? new Intake, cam ,ETC
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