Vibrant Performance 1184 Low-Restriction Inner Silencer Muffler Insert, 3.9-Inch OD, Stainless Steel

The Vibrant Performance Part Number 1184 Low-Restriction Inner Silencer Muffler Insert is designed to help reduce exhaust sound while maintaining efficient gas flow. This insert features a durable stainless steel construction with a natural finish and is engineered for use with compatible Vibrant Performance TPV Turbo Exhaust components. Its baffled design provides a practical solution for tuning exhaust volume without requiring a complete exhaust system change.
The 1184 muffler insert is sized for applications with a 3.9-inch outside diameter and a 3.85- to 3.90-inch inside diameter. It is suitable for performance exhaust projects where controlled sound levels and reliable component durability are important. The low-restriction design helps preserve exhaust performance while providing additional noise control for street, track, and custom vehicle applications.
Installation should be completed by a qualified technician, with fitment verified against the specific exhaust component before purchase. The insert is sold individually and is intended for compatible Vibrant Performance exhaust assemblies. With its stainless steel construction, precise fit range, and functional baffled design, the Vibrant Performance 1184 offers a dependable way to fine-tune exhaust sound and system behavior.

Features:

• Brand: Vibrant Performance

• Part Number: 1184

• Product Type: Low-restriction inner silencer muffler insert

• Construction: Stainless steel

• Finish: Natural

• Outside Diameter: 3.9 inches

• Inside Diameter Range: 3.85 to 3.90 inches

• Design: Baffled insert for exhaust sound control

• Compatibility: Vibrant Performance TPV Turbo Exhaust components

• Quantity: Sold individually