Grand Rock - 4" or 5" Straight Tube Pipes (Aluminized or Chrome)

Grand Rock - 3", 3.5" or 4" (I.D. to I.D.) Exhaust Coupler (Aluminized)

Grand Rock - Stainless Steel Muffler Hangers (8 or 9 inches)

Grand Rock - Freightliner Classic Turbo Pipe

Grand Rock - Western Star Heritage Y-Pipe (23527-3438)

Grand Rock - 6" Polished Peterbilt Offset Stack Mount Bracket - Stainless Steel

Grand Rock - 60" Aerodynamic Heat Shield - Round, Vertical or NO Holes (No Clamps)

Grand Rock - 5" Marmon Flange 5.756 Bead 304 Stainless Steel

Grand Rock - 7" Polished Peterbilt Offset Stack Mount Bracket - Stainless Steel

Grand Rock - 6" x 52" or 55" Flat Top O.D. Chrome Spool Pipe

Grand Rock - 8" x 52" or 55" Flat Top O.D. Chrome Spool Pipe

Grand Rock - Peterbilt "Retro" Part - 5 Inch Y-Pipe

Grand Rock - 4" or 5" Aluminumized Tilt Ball w I.D. End

Grand Rock - Western Star Constellation Intermediate Pipe (23529-3561)

Grand Rock - 6" x 120" OD/OD Aluminized Tube

60" Stainless Steel 270 Heat Shield - Round, Vertical or NO Holes (No Clamps)

Grand Rock - Peterbilt 379 M-533-0 Type 1 Muffler 9" x 25"

Grand Rock - 3" Wide x 6", 7" or 8" Chrome Seal Clamp

Grand Rock - 3" x 6", 7" or 8" Exhaust Stack Chrome Slide Mount Bracket

304 Stainless Steel 180 Degree Pipe Heat Shield - Round, Vertical or No Holes (No Mounting Brackets)

Grand Rock - 5" Peterbilt Offset Clamp - Stainless Steel

Grand Rock - 10" Aerodynamic Heat Shield Bracket

Grand Rock - 10 Inch Muffler Mounting Clamp

Grand Rock - Chrome & Zinc Plated Rain Caps