Grand Rock - 7" to 5" or 7" to 7" (I.D. to I.D.) Exhaust Coupler (Chrome) Choose Dimensions:7" I.D. - 7" I.D. ) Exhaust Reducer Pipe (Aluminized)

) Exhaust Reducer Pipe (Aluminized)

Hogebuilt Single Axle Half Circle - 304 Premium or 430 Mid-Grade Finish

Weight: 12

Fits Peterbilt 388 Models

ethanol blends up to 15% and ultra-low sulfur diesel

Grand Rock - 7" to 5" or 7" to 7" (I.D. to I.D.) Exhaust Coupler (Chrome) Choose Dimensions:7" I.D. - 7" I.D. ) Exhaust Reducer Pipe (Aluminized)Grand Rock 7" to 5" or 7" to 7" (I. D. to I. D.) Exhaust Coupler (Chrome) Grand Rock 7" to 5" or 7" to 7" (I. D. to I. D.) Exhaust Coupler (Chrome) O. D.= Outside Dimension No Bell, Fits In A I. D. Pipe I. D. = Inside Dimension Belled, Slides Over A Pipe 8 inch Length Top Quality Manufacturing Sold Individually Made in America Available Sizes: 7" I. D. 5" I. D. 7" I. D. 7" I. D. Grand Rock Company is a major manufacturer and warehouse of superior