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Apollo GT Series 3" to 4" 409 Stainless Steel Cat-Back Exhaust System

16-19 Nissan Titan XD V8-5.6L
Part Number: 49-46135-B

Regular Price: $996.88

Special Price $759.53

MSRP: $1,186.76


With an increased tubing diameter that opens up exhaust flow, resulting in double-digit power gains, and a large muffler that produces a deep, throaty tone without drone – the Apollo system for the Titan checks all the boxes.

  • Dyno-Proven Gains up to +21 HP and +32 Lbs. x Ft. TQ.
  • Constructed from 3" to 4" Mandrel-Bent 409 Stainless Steel Tubing
  • Incorporates a Single High-Flow 409 Stainless Steel Muffler
  • 5" Diameter Black Stainless Steel Clamp-On Exhaust Tip
  • Utilizes Factory Style Flanges and Hangers for a Secure Fit
  • 100% MIG Welded for Strength and Durability
  • All Necessary Hardware is Included for a Hassle-Free Installation

Performance Gains:
This system produced gains of up to +21 horsepower and +32 lbs. x ft. torque, as measured on our in-house dyno.

3" to 4" 409 Stainless Steel Construction:
This cat-back exhaust system is constructed of 3" and 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability.

High-Flow 409 Stainless Steel Muffler:
This system features a high-flow 409 stainless steel muffler, producing a throaty sound.

5" Diameter Black Exhaust Tip:
Finishing off this exhaust system is a 5" diameter black stainless steel clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style.

Utilizing factory style flanges and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.

Computer-Aided Design:
Utilizing state of the art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.

MIG Welded:
100% MIG welded for race proven strength and durability.

Fitment Note:
This item will only fit models with 151.6 IN wheelbase

Emissions Disclaimer:
This product does not require a CARB EO#.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2016-2019Nissan Titan XD V8 5.6L Gas
Reviews (1)

Customer Reviews (1)

Overall average

Average Ratings By Category:

  • Quality
  • Value
  • Easy Install

1 Item(s)

Quality exhaust
Fit my 2023 Titan xd. Does have a clean deep rumble. Not obnoxious at all but definitely let’s you know you got something going on lol.
  • Quality
  • Value
  • Easy Install
Review by Boomer / Posted on 7/28/2023
Spare Parts

Regular Price: $996.88

Special Price $759.53

MSRP: $1,186.76

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