Induction
04-04-2008, 06:41 PM
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Induction I was going to change lids on my 2002 WS-6 LS1 T/A. SLP sells the box and lid or just the lid. Do I really need the box. Is it any larger than the factory box? Does anyone know what the gain differences are? And finally Whisper Lid or SLP?
04-04-2008, 09:03 PM
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any after market lid is better than stock. the lid mod removes all the useless baffles. I would go with mti air lid, they have graph that show how theirs made more power than the others, but not a big deal in difference. do a thread in the ls1 induction section. u will get more info in there