Pontiac GTO T-304 Stainless Steel Straight-Through Cat-Back Exhaust System 4 Inch Tips 2005-2006

Upgrade the performance and sound of your Pontiac GTO with this T-304 Stainless Steel Straight-Through Cat-Back Exhaust System. Designed for 2005-2006 Pontiac GTO models equipped with the 6.0L LS2 V8 engine, this exhaust system enhances exhaust flow while delivering a deep, aggressive muscle car tone.

The straight-through exhaust design improves airflow efficiency by reducing restriction compared to the factory system. This helps support stronger throttle response, improved exhaust flow, and a more performance-focused driving experience while maintaining precise OEM-style fitment.

Constructed from premium T-304 stainless steel, this cat-back exhaust system offers excellent durability, corrosion resistance, and long-term reliability. The dual 4-inch double-wall slant-cut tips provide a bold rear appearance, completing the aggressive styling of the GTO.

Product Specifications

Key Features

• Designed for 2005-2006 Pontiac GTO models
• Compatible with 6.0L LS2 V8 engine models only
• Straight-through cat-back exhaust design for improved airflow
• Enhances horsepower, torque, and throttle response
• T-304 stainless steel construction for durability and corrosion resistance
• Produces a deep, aggressive muscle car exhaust tone
• Dual 4-inch double-wall slant-cut exhaust tips
• Polished tips provide a bold and premium rear appearance
• Heat-resistant finish helps prevent discoloration
• Precision-engineered for OEM-level fitment
• Includes clamps and hardware for installation
• No cutting, welding, drilling, or modification required

Configuration Options

• Polished Tip Finish: Clean, high-gloss exhaust tip appearance
• Standard Configuration: T-304 stainless steel straight-through cat-back exhaust system with dual 4-inch tips
• Vehicle Setup: Designed for 2005-2006 Pontiac GTO models equipped with the 6.0L LS2 V8 engine
• Installation Setup: Direct bolt-on installation using factory mounting points with included clamps and hardware

Package Includes

• Cat-back exhaust system piping
• Dual exhaust tips
• Mounting clamps and hardware

Note: Designed for LS2-equipped 2005-2006 Pontiac GTO models only. Confirm vehicle year, engine, exhaust layout, factory hanger locations, and rear bumper clearance before ordering and installation. Professional installation is recommended to ensure proper fitment and sealing. Test fitting is recommended before final installation.

Installation

• Direct bolt-on installation
• Uses factory hanger locations
• No cutting required
• No welding required
• No drilling required
• Basic tools required
• Professional installation is recommended for proper alignment, sealing, and exhaust clearance
• Test fitting is recommended before final installation

Fitment

• 2005 Pontiac GTO 6.0L Coupe
• 2006 Pontiac GTO 6.0L Coupe
• Fits LS2 engine models only

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.