Stainless Works 2005-06 GTO 3in Catback Chambered Mufflers X-Pipe (part # 05GTOTMCB), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2005–2006 Pontiac GTO
Lifetime Warranty
Made in USA
Overview
Improve the sound and performance of your 2005–2006 Pontiac GTO with a premium catback exhaust system from Stainless Works.
Designed with 3" mandrel-bent stainless steel tubing, this catback system improves exhaust flow while delivering an aggressive muscle car exhaust tone.
This system includes a crossover X-pipe and dual chambered mufflers, finished with rolled edge slash cut 3" exhaust tips for a clean performance appearance.
Built from corrosion-resistant 304 stainless steel and TIG welded in Streetsboro, Ohio — engineered for long-term durability and performance.
Why Stainless Works
- American-made from raw material to finished product
- TIG welded by skilled craftsmen for strength and beauty
- Lifetime warranty on material and craftsmanship
- Direct bolt-on fit for 2005–2006 Pontiac GTO
- Pairs perfectly with Stainless Works headers for a full system upgrade
Key Features
3" Catback Exhaust System
Improves exhaust flow and delivers aggressive performance sound.
Crossover X-Pipe
Balances exhaust pulses for smoother flow and improved tone.
Dual Chambered Mufflers
Engineered for deep muscle car sound with controlled cabin comfort.
Rolled Edge Slash Cut Tips
Dual 3" polished tips provide a clean finished appearance.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
2005–2006 Pontiac GTO |
| System Type |
3" Catback Exhaust |
| Tubing Size |
3" |
| X-Pipe |
Integrated Crossover X-Pipe |
| Mufflers |
Dual Chambered Mufflers |
| Exhaust Tips |
Rolled Edge Slash Cut 3" Tips |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Connection |
Factory Connection Point - Fits Stainless Works and most Aftermarket Exhausts |
| Lead Time |
Built To Order — 4 Weeks |
| Warranty |
Lifetime |
| Origin |
Made in USA — Streetsboro, Ohio |
⇩ Download Installation Instructions (PDF)
See It In Action
Sound Comparison and Features — 2005–2006 Pontiac GTO Catback Exhaust
Frequently Asked Questions
Will this exhaust fit my 2005–2006 Pontiac GTO?
Yes. This catback system is designed specifically for the 2005–2006 Pontiac GTO and installs using factory mounting locations.
Does this system include an X-pipe?
Yes. This exhaust system includes a crossover X-pipe designed to improve exhaust flow and enhance exhaust tone.
What type of mufflers are included?
This system features dual chambered mufflers engineered for aggressive sound and comfortable street driving.
Will this work with Stainless Works headers?
Yes. This catback system pairs perfectly with Stainless Works headers for a complete performance exhaust upgrade.
What warranty is included?
Stainless Works provides a lifetime warranty on material and craftsmanship — covering the full life of the product, not just a limited term.
Questions? Call us at | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
This Listing
- Brand: Stainless Works
- Part number: 05GTOTMCB
- Product type: Cat-back exhaust
- Fitment: 2005-06 GTO
- Shipping weight: 59 lb
California Prop 65 warning applies to this product.
Fitment note: Stainless Works systems are application-specific (year, cab/bed, transmission and factory exhaust). Send us your VIN before ordering and we will confirm fitment: 954-507-6261 or sales@americanmuscleperformance.net.
