Vibrant 17985 Stainless Steel Race Muffler 4.50" In/Out - 5" Long

Vehicle Fitment

• Universal - for custom or racing exhaust systems

Features

• True straight-through core for maximum flow and minimal restriction
• 304 stainless steel construction for high durability and corrosion resistance
• Large 4.50" inlet and 4.50" outlet to support high-flow exhaust setups
• Compact 5" overall length - ideal for tight or race-specific builds
• Round body design with 5.125" outer diameter for solid volume in a small package
• Densely packed multi-layer sound suppression for deep and aggressive tone
• TIG-welded seams ensure strength and reliability
• 5-year limited warranty (per manufacturer specification)

Specifications

• Part Number: 17985
• Material: 304 Stainless Steel
• Inlet / Outlet Diameter: 4.50"
• Body Outer Diameter: ~5.125"
• Overall Length: 5.00"
• Core Design: Straight-through perforated tube with sound-absorption layers

Included Components

• 1x Vibrant Stainless Steel Race Muffler (Part # 17985)

Product Description

The **Vibrant 17985** is a high-performance race muffler engineered for compactness and flow. With its true straight-through core and large 4.50" inlet/outlet, it minimizes backpressure while maximizing exhaust flow - making it ideal for motorsport or high-output builds.

Constructed from 304 stainless steel, this muffler offers excellent resistance to corrosion and heat, ensuring long-term reliability in demanding environments. Its dense multi-layer internal packing delivers a deep, aggressive sound without excessive drone.

Measuring just 5" in length, the 17985 is suited for tight packaging situations commonly found in race cars or custom performance setups. Its compact design, durable construction, and high-flow capacity make it a strong choice for builders focused on performance and weight savings.