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laack · 02-14-2010, 04:55 PM

the sign shop that i'm going to get the coroplast from sells a 4x4 for 15 or 4x8 for $25. regarding an increase in mpg, is it worth the extra money and time installing the air dam & undertray vs. just blocking radiator?

02-14-2010, 04:55 PM	#6 (permalink)
laack EcoModding Lurker Join Date: Feb 2010 Location: michigan Posts: 39 Thanks: 0 Thanked 1 Time in 1 Post	the sign shop that i'm going to get the coroplast from sells a 4x4 for 15 or 4x8 for $25. regarding an increase in mpg, is it worth the extra money and time installing the air dam & undertray vs. just blocking radiator?