Flowmaster 818121 American Thunder Axle-Back Exhaust System for 21-27 Ford Bronco with 2.3/2.7L
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Classic American Thunder Tone: Built around Flowmaster's legendary chambered Super 44 muffler to deliver a deep, throaty, moderate-to-aggressive exhaust note that commands attention on and off the road.
Mandrel-Bent 409 Stainless Steel Construction: Crafted from heavy-duty 16-gauge 409 stainless steel tubing with smooth mandrel bends to optimize exhaust velocity and provide long-lasting corrosion resistance.
Aggressive Black Ceramic Dual Exit Tips: Outfitted with dual 4.00-inch black ceramic-coated tips featuring embossed Flowmaster logos that resist high heat and add a bold, modern look.
Quick Direct Bolt-On Installation: Replaces only the rear factory muffler assembly, mounting directly into stock hanger locations with basic hand tools for an easy driveway upgrade.
Versatile Engine & Chassis Compatibility: Custom-engineered to fit both 2-door and 4-door Ford Bronco models, as well as both the 2.3L I4 and 2.7L V6 EcoBoost engine platforms.
Upgrade your rig with legendary muscle-car tone and trail-ready performance using the Flowmaster American Thunder Axle-Back Exhaust System (Part #818121), engineered for the Ford Bronco with the 2.3L EcoBoost I4 or 2.7L EcoBoost V6 engine. Built for owners who want that classic Flowmaster chambered rumble, this high-flow system replaces your restrictive stock rear muffler with smooth 2.5-inch mandrel-bent 409 stainless steel tubing to reduce backpressure and optimize turbo exhaust scavenge.Featuring Flowmaster's iconic chambered Super 44 series performance muffler, this system delivers a deep, aggressive, traditional American V8-style sound under acceleration while keeping interior cabin resonance manageable during highway cruising. The dual rear exit design features massive 4.00-inch black ceramic-coated tips that give your Bronco's rear end a sleek, blacked-out appearance. Engineered for a direct bolt-on fit, it mounts directly to factory hanger locations using standard hand tools.
- Shipping Weight: 27lb
- Shipping Dimensions: 41in x 22in x 12in (L x W x H)
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