Welcome to Classic Industries®  v5.6

America's First Choice In Restoration
and Performance Parts and Accessories
Up To 25% OFF!* Online Orders Over $279
Dr Gas Spinpro 4-Trap Square Muffler - Copper With 3 Inlet/Outlet

A7700186 - Dr Gas Spinpro 4-Trap Square Muffler - Copper With 3" Inlet/Outlet

The compact four-trap square muffler offers the smooth flow and throaty exhaust sound of the Dr. Gas SpinPro mufflers in a square design that fits into tight spaces. They feature an extremely rugged construction and are available in black or copper finishes. Made in USA.


  • 3" center inlet/outlet
  • 4.25" thick
  • 9.5" wide
  • 9.5" length
Product #: A7700186

Out Of Stock!

MSRP: $158.99 ea
Classic: $143.99 ea



Up To 15% OFF* When You Pay With Classic Visa!  Show Off Your Enthusiasm for Cars & Get Great Rewards with Classic Industries Visa