• aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip
  • aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip
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aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip

aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip

SKU: AFE49-44123-BPart #: 49-44123-B
$820.00 USD
List $1,025.00 USD $820.00 USD
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✓ 50-State Legal✓ In stock - ships in 1-2 business days✓ Free Shipping✓ Secure Checkout
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Frequently Asked Questions

How do I know if this fits my vehicle?

Pick your vehicle in the bar at the top of the page - the box next to the price then tells you if this part fits it. The Fitment tab lists every vehicle the manufacturer lists.

Is this a complete cat-back system?

It is sold as a cat-back exhaust: it replaces the exhaust from the catalytic converter back. The manufacturer's description lists exactly what comes in the box.

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Is this street legal?

Yes, this exhaust is 50-state emissions compliant and street legal.

How long will shipping take?

In stock - ships in 1-2 business days.

What's included in the box?

The manufacturer's description above lists what comes with this part; it ships in 1 box.

View full details

This cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a deep sound. Finishing off this exhaust system is a 5" diameter black 409 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system produces a deep sound unleashing all available horsepower and torque. Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.

Features & Benefits

  • 5" Diameter Black 409 Stainless Steel Intercooled Clamp-On Exhaust Tip
  • All Necessary Hardware is Included for a Hassle-Free Installation
  • Constructed from 4" Mandrel-Bent 409 Stainless Steel Tubing
  • Utilizes Factory Style Flange and Hangers for a Secure Fit
  • 100% MIG-Welded for Strength and Durability