AP Exhaust X504 Xlerator Performance Muffler Dual Inlet Dual Outlet Aluminized Oval

The AP Exhaust X504 Xlerator Performance Muffler is a high-flow, baffled oval muffler engineered for GMC trucks equipped with 6.0L and 8.1L engines. Built from 100% aluminized steel with a fully welded body, this muffler delivers a deep, mellow exhaust tone with minimal cabin intrusion while maximizing exhaust flow for improved performance.

Part of AP Exhaust's Xlerator performance line, the X504 features a dual 3" inlet and dual 2.5" outlet configuration in an oval body design. The fully welded construction and 16-gauge aluminized steel ensure long-lasting corrosion resistance and durability.

Key Features:

• Muffler Type: Baffled for deep, mellow tone with moderate sound output
• Material: 100% aluminized 16-gauge steel with re-aluminized weld seam for corrosion protection
• Inlet: 3" ID – Dual
• Outlet: 2.5" ID – Dual
• Body Shape: Oval
• Body Length: 24.5"
• Body Width: 11.75"
• Body Height: 8.5"
• Overall Length: 30.5"
• Fully welded body for maximum structural durability
• High-flow design reduces back-pressure and supports increased power output
• Manufacturer Warranty: 1 Year
• Sold individually

The Xlerator X504 is engineered to perform like original equipment while delivering enhanced exhaust flow and a distinctly aggressive yet refined sound profile. It is not compatible with OE tailpipes and is intended as a direct performance replacement.