The Borla CrateMuffler is a purpose-built muffler tuned for big block Mopar engines, providing ATAK aggressive exhaust tone while aiming to reduce or eliminate drone on specified applications. Directional flow is indicated by a mounting bracket on the outlet endcap. Built from premium T-304 stainless steel for durability, it’s sized and tuned specifically for 383/413/426/440 V8 crate and custom motors.
Borla CrateMuffler Big Block Mopar 383/413/426/440 2.5in Offset/Center 14inx4.35inx9in Oval Muffler