var addthis_pub="mastersairab SEMA '09: Mopar Jeep Wrangler Lower Forty "BigFoot" with Massive 40-inch Tires and HEMI V8 .fullpost{display:inline;} Taking the latest generation Jeep Wrangler to a new extreme, Mopar has designed the uber-impressive "Lower Forty" concept for this year's SEMA Show in Las Vegas. The crazy Wrangler Lower Forty rides on massive 40 x