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CSP2026

Flowmaster 818121 - American Thunder Axle Back Exhaust System

Flowmaster  |  SKU: FLO-818121
Sale price $54995 Regular price $61895

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Flowmaster 818121 - American Thunder Axle Back Exhaust System

Exhaust System - American Thunder - Axle-Back - 3 in Diameter - Single Rear Exit - 3 in Polished Tips - Stainless - Natural - Ford EcoBoost-Series - Ford Midsize SUV 2021-25 - Kit

American Thunder Axle Back Exhaust System; Single Rear Exit; 409 Stainless Steel;

Looking for the perfect balance between a mild tone while cruising and at idle, but aggressive tone under throttle all while having no drone? The American Thunder axle-back exhaust system is perfect for the daily driven 2021-2024 Ford Bronco with the 2.3 or 2.7-liter engine. This system uses a tuned 60 Series style muffler for an aggressive to moderate exhaust tone and increased performance. Maximum dyno gains of 19 hp and 19 lb-ft. were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. A polished 3.00-inch stainless steel tip is used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.

  • 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • A 3.00-inch polished stainless steel tips add a custom look
  • No Drone
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Delta Flow Technology Increases Performance and Reduces Drone
  • Delta Flow Technology Increases Performance
  • Backed by Flowmaster's Lifetime Limited Warranty
Brand: Flowmaster
CARB (California) Compliant: Yes
Catalytic Converter Included: No
Catalytic Converter Quantity: 0
Category: Exhaust
Clamping Type: Flat Band
Clamps Included: Yes
Emission Code: 5
Exhaust Series: American Thunder
Exhaust Tip Color: Silver
Exhaust Tip Connection: Welded
Exhaust Tip Cut: Angled
Exhaust Tip Diameter: 3.00
Exhaust Tip Edge: Slash Cut
Exhaust Tip Finish: Polished
Exhaust Tip Intercooled: No
Exhaust Tip Length: 4.75
Exhaust Tip Material: 304 Stainless Steel
Exhaust Tip Quantity: 1
Exhaust Tip Resonated: No
Exhaust Tip Shape: Round
Exhaust Tip Wall: Single Wall
Exit Style: Single Out Rear - 2 and 4-Door
Finish: Painted
Gasket Or Seal Included: No
Grade Type: Performance
Hangers Included: Yes
Inlet Type: Clamp-On
Main Piping Diameter: 3.00
Mount Type: Uses New Hangers (Included)
Mounting Bracket Included: Yes
Muffler Body Height: 5.00
Muffler Body Length: 13.50
Muffler Body Material: 409 Stainless Steel
Muffler Body Shape: Oval
Muffler Body Width: 10.00
Muffler Color: Black
Muffler Finish: Black High-Temperature Paint Finish
Muffler Flanged Inlet: No
Muffler Flanged Outlet: No
Muffler Included: Yes
Muffler Inlet Connection: Slip-Fit
Muffler Inlet Inside Diameter: 3.00
Muffler Inlet Location: Center
Muffler Inlet Outside Diameter: 3.13
Muffler Outlet Diameter: 3.00
Muffler Outlet Location: Offset
Muffler Outlet Quantity: 1
Muffler Overall Length: 34.00
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: 60 Series
Muffler Type: Reflection
part type: Exhaust System
Pipe Color: Silver
Pipe Material: 409 Stainless Steel
Product Type: Exhaust System
Sound Level: Aggressive / Moderate
Spring Bolt Kit Included: No
Sub Category: Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter: 3.00
Tail Pipe Quantity: 1
Tail Pipe Quantity: Single
Tail Pipe Tapered Outlet: No
Tip Logo: Embossed
Type: Axle-back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65

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