Cat-Back Exhaust

This system produced gains of up to +14 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a aggressive sound. Finishing off this exhaust system is a 4-1/2 IN diameter polished 304 stainless steel clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system produces an aggressive sound unleashing all available horsepower and torque. Utilizing factory style 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.

Additional Information

Apollo GT Series 3 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polish Tip GM Trucks 09-18 V6-4.3L/V8-4.8/5.3L

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 100% MIG-Welded for Strength and Durability
• 4-1/2 IN Diameter Polished 304 Stainless Steel Clamp-On Exhaust Tip
• All Necessary Hardware is Included for a Hassle-Free Installation
• Constructed from 3 IN Mandrel-Bent 409 Stainless Steel Tubing
• Up to +14 HP and +17 lbs. x Ft. TQ.
• Utilizes Factory Style Hangers for a Secure Fit

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Exhaust System, Apollo GT Series, Side Rear, Stainless Steel, Cat-Back, Polished Tip, Chevrolet, GMC, Kit

aFe Apollo GT exhaust systems are constructed of mandrel-bent 409 stainless steel and come complete with free-flowing muffler(s), OE-style bayonet hangers, and all necessary hardware for a hassle-free installation. Their smooth curves and large diameter tubes help reduce restriction and keep exhaust gas flowing smoothly for increased horsepower and torque. aFe Apollo GT cat-back exhaust systems are 100 percent MIG-welded for race-proven strength and durability and are finished with polished or black stainless steel exhaust tip(s) with a laser-cut aFe POWER badge for a custom look.