Grand Rock - 2003-Newer Peterbilt 379 Duplex Retrofit Chrome Exhaust Kit w/Offset Brackets

Grand Rock - 94-02 Peterbilt 359 & 379 Retro Fit Duplex Kit w/ Offset Brackets

Grand Rock - 1994-2002 8" Peterbilt 379 Retrofit Duplex Chrome Exhaust Kit

Grand Rock - 1994-2002 Peterbilt 379 Retro Fit Duplex Chrome 7" Diameter Exhaust Kit w/ Offset Brackets

Grand Rock - Tapered 7" 2-Bend O.D. Reduced to 5" O.D. Chrome Exhaust Pipe (Left or Right)

Grand Rock - Kenworth QP Aero Single or Dual Mufflers

Grand Rock - Peterbilt "Retro" 6 inch or 7 inch Exhaust Kits

Grand Rock - Kenworth 7" 2-Bend O.D. Reduced to 5" I.D. Chrome Exhaust Pipe (Right)

Grand Rock - 6" 90° Elbow 13" x 13" ID-OD Chrome Exhaust Pipe

Grand Rock - Kenworth W900/T600/T800 Y-Pipe Exhaust (KW-18028)

Grand Rock - 7″ x 48", 52″ or 55" Flat Top O.D. Chrome Spool Pipe

Grand Rock - Tapered 6" 2-Bend Chrome O.D. R5" O.D. (Left or Right)

Grand Rock - Kenworth W900A Exhaust Y-Pipe

Tapered 7" Kenworth W900B, W900L, T600 or T800 2-Bend O.D. Reduced to 5" I.D. Exhaust Pipe (Right or Left)

Grand Rock - Peterbilt 379 Daycab Aluminized Exhaust Y-Pipe

Grand Rock - Type 1, 10" x 36", 5" ID-ID Exhaust

Grand Rock - 8" x 54", 60" or 68" Aussie Cut O.D. Chrome Spool Pipe

Grand Rock - 8" x 54", 60" or 68" Aussie O.D. Chrome Spool Pipe (Bottom)

Grand Rock - 6", 7" or 8" Seamless Peterbilt 359, 379, or 389G Chrome Retro Style Exhaust Kit

Grand Rock - 6" X 48" Straight Exhaust Tubing (Belled)

Grand Rock - 6" 3-Bend O.D./O.D./O.D. Aluminized Y-Pipe Exhaust

Grand Rock - V-Band Clamp for Turbo Flange

Grand Rock - Type 4, 12" x 15" x 27", 5" ID-ID Exhaust

Grand Rock - 2003-Newer Peterbilt 379 Retrofit Chrome Duplex Exhaust Kit w/ Offset Brackets