Black Widow Exhaust 10" Widowmaker 2.5"/3"/3.5"/4" – 5" Round (BW0013)
The Black Widow Exhaust 10" Widowmaker 2.5"/3"/3.5"/4" – 5" Round (BW0013) is built for performance enthusiasts demanding a bold, aggressive exhaust tone with minimal restriction. Designed to fit a range of inlet sizes – 2.5", 3", 3.5", and 4" – and tapering out to a 5" round body, this compact muffler delivers high-flow efficiency and signature Black Widow sound. With its patented hourglass, no-packing design, it enhances horsepower and torque while resisting burnout over time. Whether you're upgrading a street build or a track car, the Black Widow 10" Widowmaker delivers raw power, durability, and versatility for custom exhaust systems. Built from 409 stainless steel with bi-directional flow and a compact 10"x5" footprint, it’s a standout choice for serious builders.
Features and Specifications:
Brand: Black Widow Exhaust
Series: Widowmaker
Length: 10" body
Diameter: 5" round
Inlet Sizes Available: 2.5", 3", 3.5", 4" (all taper to 5")
Material: 409 stainless steel
Design: Bi-directional; no packing; straight-through patented hourglass.
Sound Profile: Deep, aggressive tone without harsh drone.
Installation: Universal fit; professional installation recommended.
Product identification
- Brand: Black Widow Exhaust




