Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Flowmaster American Thunder Axle-Back Exhaust System with Polished Tip (21-26 Bronco, Excluding Raptor)
Find parts that fit my vehicle Item FB15128
Shop Owners Save More!
Sign up for our dealer program
Frequently Bought Together
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- 3.00-Inch Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
- 3.00-Inch Polished Stainless Steel Tips Add A Custom Look
- No Drone Technology
- Includes Complete Hardware And Factory Styled Hangers In The Stock Locations For An Easy Installation
- Delta Flow Technology Increases Performance And Reduces Drone
- Backed By Lifetime Limited Warranty
- Sound Level Aggressive / Moderate
- Muffler Included
- Muffler Type Reflection
- Exhaust Series American Thunder
- Category Exhaust
- Emission Code 5
- California Proposition 65 Yes
- CARB Compliant Yes
- Catalytic Converter Not Included
- Exit Style Single Out Rear - 2 And 4-Door
- Finish Painted
- Grade Type Performance
- Fits 21-26 Bronco, Excluding Raptor
| Brand | Flowmaster |
| Exhaust System Type | Axle-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Loudness | Moderate |
Description
Balanced Exhaust Performance. The Flowmaster American Thunder Axle-Back Exhaust System with Polished Tip delivers the perfect mix of mild tone at idle and cruise with an aggressive sound under throttle. Designed for the daily driven 2021-2026 Ford Bronco, this system enhances exhaust flow and increases rear wheel horsepower and torque for improved overall performance.
Construction and Appearance. Crafted from 16-gauge 409 stainless steel tubing with mandrel bends to maximize flow and durability, the system features a polished 3.00-inch stainless steel exhaust tip for a custom vehicle appearance. Its painted finish complements the rugged aesthetics of the Bronco.
Installation. Installation is straightforward using factory mounting locations with complete hardware and factory-styled hangers included. No drilling or modifications are required, allowing for a hassle-free upgrade.
Warranty. Backed by a lifetime limited warranty, ensuring long-term quality and reliability.
Application. Fits 2021-2026 Ford Bronco models with 2.3L L4 or 2.7L V6 engines, excluding the Raptor variant.
Flowmaster 818121
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Axle-Back Exhaust Assembly
- Mounting Implements
4.2
Customer Reviews (43)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Bronco
- Badlands 2 Door - 21, 22, 23, 24, 25, 26
- Badlands 4 Door - 21, 22, 23, 24, 25, 26
- Base 2 Door - 21, 22, 23, 25, 26
- Base 4 Door - 21, 22, 23, 25, 26
- Big Bend 2 Door - 21, 22, 23, 24, 25, 26
- Big Bend 4 Door - 21, 22, 23, 24, 25, 26
- Black Diamond 2 Door - 21, 22, 23, 24
- Black Diamond 4 Door - 21, 22, 23, 24
- Everglades 4 Door - 22, 23, 24
- First Edition 2 Door - 21
- First Edition 4 Door - 21
- Heritage Edition 2 Door - 23, 24, 25, 26
- Heritage Edition 4 Door - 23, 24, 25, 26
- Heritage Limited Edition 2 Door - 23, 24
- Heritage Limited Edition 4 Door - 23, 24
- Outer Banks 2 Door - 21, 22, 23, 24, 25, 26
- Outer Banks 4 Door - 21, 22, 23, 24, 25, 26
- Stroppe Edition 2 Door - 25, 26
- Stroppe Edition 4 Door - 25, 26
- Wildtrak 2 Door - 21, 22, 23, 24
- Wildtrak 4 Door - 21, 22, 23, 24
