Vibrant Performance 11491 3" Oval StreetPower Muffler for Custom Exhaust

Vehicle Fitment

• Universal - Designed for custom exhaust systems on cars and trucks with 3.00" piping; requires fabrication/welding (no specific vehicle fitment).

Features

• True straight-through internal design for improved exhaust flow
• 3.00" inlet and outlet for wide exhaust system compatibility
• 7" oval body for efficient packing and balanced tone
• StreetPower series tuning for performance-oriented sound
• Dense multilayer packing for controlled deep exhaust note
• 304 stainless steel construction for corrosion resistance
• Polished finish for clean aesthetic appeal
• TIG-welded inlet and outlet tubes for strength and durability

Specifications

• Part Number: 11491
• Brand: Vibrant Performance
• Muffler Series: StreetPower
• Muffler Type: Straight-through oval muffler
• Material: 304 stainless steel
• Inlet Diameter: 3.00" (76.2 mm)
• Outlet Diameter: 3.00" (76.2 mm)
• Body Dimensions: 7" width (oval profile)

Included Components

• 1x Vibrant Performance 11491 StreetPower 3" straight-through oval muffler

Product Description

The Vibrant Performance 11491 StreetPower 3" Oval Muffler is a high-quality universal exhaust component tailored for custom automotive exhaust builds. Featuring a true straight-through internal design and dense multilayer packing, this muffler minimizes backpressure while delivering a rich, performance-oriented exhaust tone. Its 7" oval body offers efficient internal packing and integrates well into a variety of exhaust layouts used by fabricators and performance enthusiasts.

Constructed from corrosion-resistant 304 stainless steel with polished inlet and outlet tubes welded for durability, the 11491 muffler is built to last in high-temperature exhaust environments. The StreetPower series tuning balances sound and flow, making it suitable for custom cat-back, turbo-back, or free-flow exhaust systems on cars and trucks. Ideal for builders who want both performance and a clean visual finish in their exhaust projects.