Gibson MWA Round Race Muffler 5.0in Compact Straight-Thru Flow Design

Gibson MWA Round Race Muffler 5.0in — Compact Straight-Thru Flow Design Maximum sound. Maximum flow. The Gibson MWA Round Race Muffler is a 5.0-inch compact, competition-ready unit engineered for race cars, hot rods and off-road builds that demand aggressive tone and optimized exhaust flow. Key Features Straight-thru flow: Precision design yields flow within 3 CFM of a 3-inch straight pipe for improved power potential. No internal packing or weak baffles: Durable, open-core construction delivers consistent, powerful sound without packing degradation. Lightweight stainless steel: High-quality stainless construction resists corrosion and outlasts lesser mufflers. Competition-ready size: Compact 5.0" body ideal for tight installations while maximizing performance. Made in the USA: Crafted to Gibson’s standards for reliability and sound. Why Choose the MWA? The MWA muffler blends race-proven flow characteristics with an uncompromising exhaust note. It minimizes interior drone while freeing horsepower — a top choice for builders who want sound and performance to match their machine’s looks. Perfect for: Hot rods, race cars, off-road vehicles and any build where aggressive tone and top-tier flow are priorities.