I agree about the tune. When I put just the K&N intake on my truck, it would trip the dummy light for lean codes. Tune is a must for an intake. Good luck on your search for the perfect one. I now have a 4inch FWI and couldn't be happier!
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06 TBSS-12.1' [email protected], Bolt-ons only.R.I.P.
07 TBSS-Work in Progress...
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