XForce | Twin 2.5" Cat Back Exhaust with Mufflers | Holden Commodore Calais VT VX VY VZ 1997–2007 | E4-HV20-1-CBS

XForce | Twin 2.5" Cat Back Exhaust with Mufflers | Holden Commodore Calais VT VX VY VZ 1997–2007 | E4-HV20-1-CBS
XForce Twin 2.5" Performance Cat-Back Exhaust System - Holden VT, VX, VY & VZ Sedan - E4-HV20-1-CBS
Elevate the performance and sound of your LS1 or L76 powered Holden with the XForce Twin 2.5" Cat-Back System. Specifically engineered for VT through VZ sedans, this system is crafted from durable raw finish 409 stainless steel. The twin 2.5" mandrel-bent pipework ensures optimal exhaust flow, significantly reducing backpressure compared to the factory setup. Featuring two centre straight-through mufflers and a twin-in twin-out rear muffler section, this system provides a powerful V8 exhaust note that remains refined and balanced. Finished with twin 3" tips, it offers a perfect blend of performance gains and a classic high-performance aesthetic.
What's in the Box?
- 1x Twin 2.5" Raw 409 Stainless Steel Pipework
- 2x Centre Straight-Through Performance Mufflers
- 1x Twin-In Twin-Out Rear Straight-Through Muffler Section
- Twin 3" Polished Exhaust Tips (Note: Welding required for final installation)
- All Required Gaskets and Bolt Kit
Features:
This XForce performance exhaust system includes the following features:
- Twin 2.5" Mandrel-Bent Piping: Designed to maximize exhaust velocity for improved torque and horsepower gains.
- Raw 409 Stainless Steel: Built for durability and heat resistance, suitable for high-performance V8 applications.
- Balanced Sound Profile: The combination of centre and rear mufflers delivers a deep, aggressive V8 growl without excessive drone.
- Versatile Fitment: Precision-engineered to fit a wide range of VT, VX, VY, and VZ sedan models including Commodore, Calais, and HSV variants.
- Twin 3" Tips: Adds a performance-ready look to the rear of your vehicle.
Specifications:
- Make: Holden / HSV
- Model: Commodore / Calais / SS / Berlina / Clubsport
- Series: VT, VX, VY, VZ
- Body Style: Sedan
- Year Range: 1997–2007
- Engine Compatibility: 5.0L, 5.7L LS1, 6.0L L76/LS2, 3.8L Supercharged
- Material: 409 Stainless Steel
- Pipe Size: Twin 2.5 Inch (63mm)
- System Layout: Cat-Back System
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN VZ SERIES | ||||||||
| HOLDEN | COMMODORE | 11/2005 | 06/2006 | Sedan | VZ | L76, LS2 | 6.0L | Petrol | SS, i V8 SV8 | RWD |
| HOLDEN | COMMODORE | 09/2004 | 12/2005 | Sedan | VZ | LS1 | 5.7L | Petrol | SS, SS Z, i V8 SV8 | RWD |
| HOLDEN | CALAIS | 09/1997 | 12/2006 | Sedan | VZ | L76 | 6.0L | Petrol | - | RWD |
| HOLDEN | COMMODORE | 09/2004 | 06/2006 | Sedan | VZ | H7, LY7 | 3.6L | Petrol | i V6 SV6 | RWD |
| HOLDEN VY SERIES | ||||||||
| HOLDEN | COMMODORE | 09/1997 | 07/2007 | Sedan | VY | LS1 | 5.7L | Petrol | SS, SV8, Berlina | RWD |
| HOLDEN | CALAIS | 09/1997 | 08/2004 | Sedan | VY | LS1 | 5.7L | Petrol | i V8 | RWD |
| HOLDEN VT & VX SERIES | ||||||||
| HOLDEN | COMMODORE | 09/1997 | 09/2007 | Sedan | VX | LS1 | 5.7L | Petrol | SS, Executive | RWD |
| HOLDEN | COMMODORE | 09/1997 | 10/2007 | Sedan | VT | LS1 | 5.7L | Petrol | SS, Executive | RWD |
| HOLDEN | COMMODORE | 09/1997 | 06/2007 | Sedan | VT | GMH 304 | 5.0L | Petrol | i V8 | RWD |
| HOLDEN | CALAIS | 09/1997 | 10/2000 | Sedan | VT | LS1 | 5.7L | Petrol | i V8 | RWD |
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Description
XForce Twin 2.5" Performance Cat-Back Exhaust System - Holden VT, VX, VY & VZ Sedan - E4-HV20-1-CBS
Elevate the performance and sound of your LS1 or L76 powered Holden with the XForce Twin 2.5" Cat-Back System. Specifically engineered for VT through VZ sedans, this system is crafted from durable raw finish 409 stainless steel. The twin 2.5" mandrel-bent pipework ensures optimal exhaust flow, significantly reducing backpressure compared to the factory setup. Featuring two centre straight-through mufflers and a twin-in twin-out rear muffler section, this system provides a powerful V8 exhaust note that remains refined and balanced. Finished with twin 3" tips, it offers a perfect blend of performance gains and a classic high-performance aesthetic.
What's in the Box?
- 1x Twin 2.5" Raw 409 Stainless Steel Pipework
- 2x Centre Straight-Through Performance Mufflers
- 1x Twin-In Twin-Out Rear Straight-Through Muffler Section
- Twin 3" Polished Exhaust Tips (Note: Welding required for final installation)
- All Required Gaskets and Bolt Kit
Features:
This XForce performance exhaust system includes the following features:
- Twin 2.5" Mandrel-Bent Piping: Designed to maximize exhaust velocity for improved torque and horsepower gains.
- Raw 409 Stainless Steel: Built for durability and heat resistance, suitable for high-performance V8 applications.
- Balanced Sound Profile: The combination of centre and rear mufflers delivers a deep, aggressive V8 growl without excessive drone.
- Versatile Fitment: Precision-engineered to fit a wide range of VT, VX, VY, and VZ sedan models including Commodore, Calais, and HSV variants.
- Twin 3" Tips: Adds a performance-ready look to the rear of your vehicle.
Specifications:
- Make: Holden / HSV
- Model: Commodore / Calais / SS / Berlina / Clubsport
- Series: VT, VX, VY, VZ
- Body Style: Sedan
- Year Range: 1997–2007
- Engine Compatibility: 5.0L, 5.7L LS1, 6.0L L76/LS2, 3.8L Supercharged
- Material: 409 Stainless Steel
- Pipe Size: Twin 2.5 Inch (63mm)
- System Layout: Cat-Back System
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN VZ SERIES | ||||||||
| HOLDEN | COMMODORE | 11/2005 | 06/2006 | Sedan | VZ | L76, LS2 | 6.0L | Petrol | SS, i V8 SV8 | RWD |
| HOLDEN | COMMODORE | 09/2004 | 12/2005 | Sedan | VZ | LS1 | 5.7L | Petrol | SS, SS Z, i V8 SV8 | RWD |
| HOLDEN | CALAIS | 09/1997 | 12/2006 | Sedan | VZ | L76 | 6.0L | Petrol | - | RWD |
| HOLDEN | COMMODORE | 09/2004 | 06/2006 | Sedan | VZ | H7, LY7 | 3.6L | Petrol | i V6 SV6 | RWD |
| HOLDEN VY SERIES | ||||||||
| HOLDEN | COMMODORE | 09/1997 | 07/2007 | Sedan | VY | LS1 | 5.7L | Petrol | SS, SV8, Berlina | RWD |
| HOLDEN | CALAIS | 09/1997 | 08/2004 | Sedan | VY | LS1 | 5.7L | Petrol | i V8 | RWD |
| HOLDEN VT & VX SERIES | ||||||||
| HOLDEN | COMMODORE | 09/1997 | 09/2007 | Sedan | VX | LS1 | 5.7L | Petrol | SS, Executive | RWD |
| HOLDEN | COMMODORE | 09/1997 | 10/2007 | Sedan | VT | LS1 | 5.7L | Petrol | SS, Executive | RWD |
| HOLDEN | COMMODORE | 09/1997 | 06/2007 | Sedan | VT | GMH 304 | 5.0L | Petrol | i V8 | RWD |
| HOLDEN | CALAIS | 09/1997 | 10/2000 | Sedan | VT | LS1 | 5.7L | Petrol | i V8 | RWD |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.











