Flowmaster 817663 Stainless Steel Cat-Back Exhaust System for Trucks

Description

Product Overview

The Flowmaster American Thunder Cat‑Back Exhaust System is engineered for truck owners who demand a commanding sound and lasting performance. Constructed from mandrel‑bent 304 stainless steel, the system resists corrosion and maintains structural integrity under heavy use. It features a dual‑outlet Super 40 series performance muffler and large 3.50‑inch polished stainless tips that produce an aggressive exterior tone while meeting emissions standards.

Usage

Ideal for daily driving, off‑road adventures, and performance builds, this exhaust fits factory hanger locations for a bolt‑on installation on most trucks. The robust stainless construction handles high temperatures and harsh environments, making it perfect for work trucks, tow vehicles, and custom rigs seeking a deeper, more resonant exhaust note.

Why Choose Us

Flowmaster combines decades of acoustic engineering with premium materials to deliver an exhaust system that not only sounds great but also stands up to the rigors of truck life. Each component is precision‑crafted, and the system undergoes rigorous testing to ensure fit, finish, and durability. Backed by Flowmaster’s reputation, you receive a product that adds value and performance without compromising reliability.

Key Features

• Mandrel‑bent stainless steel provides superior strength and corrosion resistance.
• Dual‑outlet Super 40 muffler delivers a deep, aggressive tone with reduced back‑pressure.
• Large 3.50‑inch polished tips enhance visual appeal and improve exhaust flow.
• Fits factory hanger locations for a quick, bolt‑on installation on most trucks.
• Comes with Flowmaster customer support and a comprehensive warranty for peace of mind.

FAQ

Will this exhaust fit my 2015 Ford F‑150?

Yes, the American Thunder system is designed to fit a wide range of trucks, including the 2015 Ford F‑150, using the factory hanger locations for a direct bolt‑on install.

Do I need to modify the exhaust for installation?

No custom fabrication is required. The system aligns with existing hanger points, allowing a straightforward replacement of the stock exhaust.

How does the sound compare to the stock exhaust?

The Super 40 muffler and large stainless tips produce a noticeably deeper, more aggressive tone while maintaining a pleasant, low‑frequency rumble.

Is the stainless steel prone to rust?

Constructed from 304 stainless steel, the exhaust is highly resistant to rust and corrosion, even in harsh weather or salty road conditions.

What warranty does Flowmaster provide?

Flowmaster offers a limited warranty covering material defects and workmanship, ensuring long‑term satisfaction and support.