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ECONORAM · 09-16-2010, 12:01 AM

It depends upon whose stock spoiler. The Dodge RAM SRT-10 is a good example of a factory vehicle that uses a rear spoiler to cut drag. It is only part of the RAM SRT-10's lower Cd as compared to a truck like mine. See Viper powered 2004 Dodge Ram SRT-10 Scroll down to the production version text in the blue box.

09-16-2010, 12:01 AM	#20 (permalink)
ECONORAM halos.com Join Date: Oct 2009 Location: Oklahoma City, OK Posts: 528 ECONORAM - '07 Dodge RAM 1500 QC SLT flex-fuel 90 day: 18.16 mpg (US) the Avenger - '08 Dodge Avenger SXT 90 day: 27.06 mpg (US) Thanks: 385 Thanked 94 Times in 80 Posts	It depends upon whose stock spoiler. The Dodge RAM SRT-10 is a good example of a factory vehicle that uses a rear spoiler to cut drag. It is only part of the RAM SRT-10's lower Cd as compared to a truck like mine. See Viper powered 2004 Dodge Ram SRT-10 Scroll down to the production version text in the blue box.