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Your New Favorite Afe Large Bore-hd 4in 409ss Dpf-back Exhaust System W/black Tip 20 Gm Diesel Trucks V8-6.6l (td) L5p Slash 50% Off The Price [2sc6Mik3]

$70.99 $227.99 -69%

aFe Large Bore-HD 4in 409SS DPF-Back Exhaust SystemThe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System is a premium upgrade designed for GM Diesel Trucks with a V8-6.6L (td) L5P engine. This system is engineered to deliver enhanced performance an

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Your New Favorite Afe Large Bore-hd 4in 409ss Dpf-back Exhaust System W/black Tip 20 Gm Diesel Trucks V8-6.6l (td) L5p Slash 50% Off The Price [2sc6Mik3]

aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System

The aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System is a premium upgrade designed for GM Diesel Trucks with a V8-6.6L (td) L5P engine. This system is engineered to deliver enhanced performance and aesthetics, making it an ideal choice for drivers seeking to maximize the potential of their vehicles. Constructed from 4" mandrel-bent 409 stainless steel tubing, this exhaust system boasts maximum strength and durability, ensuring a long-lasting investment. Key features include:
  • Stainless Steel Construction: 409 stainless steel tubing for superior strength and corrosion resistance.
  • Black Tip Exhaust: Dual 5" diameter black 304 stainless steel intercooled clamp-on exhaust tips with aFe POWER logo plate.

Performance and Design Highlights

The aFe Large Bore-HD Exhaust System is not just about aesthetics; it's a performance enhancer designed to increase horsepower, torque, and throttle response. Its mitered merge collector reduces turbulence, optimizing exhaust velocity for better overall performance. This system also features a hassle-free installation with factory-style hangers that mount directly to factory mounting locations. Key performance benefits include:
  • Increased Horsepower and Torque: Mitered merge collector design for improved exhaust flow.
  • Improved Throttle Response: Decreased turbulence for smoother and more responsive acceleration.

Custom Fitment and Durability

Crafted using state-of-the-art computer-aided design technology, this exhaust system guarantees a custom, high-tolerance factory fitment. The 100% MIG-welded construction ensures race-proven strength and durability, making it a reliable choice for both on-road and off-road applications. This system is compatible with various wheelbase configurations, including Double Cab/Short-Bed, Crew Cab/Short-Bed, Double Cab/Long-Bed, and Crew Cab/Long-Bed. Key benefits include:
  • 100% MIG-Welded: For race-proven strength and durability.
  • Custom Fitment: Designed for a perfect fit and seamless integration with your vehicle.
With the aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System, you're investing in both performance and style, making your GM Diesel Truck truly stand out.

What Our Customers Say

January 20, 2026

Absolutely no complaints!

I am very satisfied with this.

- Billy M..

January 20, 2026

Absolutely no complaints!

Very pleased with the quality.

- Lillian Y..

January 20, 2026

Absolutely no complaints!

I love this. It's perfect.

- Cesar J..

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