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View Full Version : Newbie Hawkeye better sound quality?



IeuanRod
01-14-2012, 10:38 AM
Hi guys,

just bought my first subaru last week ( 2007 Hawkeye Impreza r sport ) so far so good :D :D.

quick question, what is the best way to get the deep boxer grumble? many people say decat or unequal manifold. suggestions for best methods please?

Thanks,
I