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Description
XForce | Twin 2.5" Cat Back Exhaust with Mufflers | Holden Commodore Calais VT VX VY VZ 1997–2007 | E4-HV20-1-CBSXForce 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
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:
Vehicle Applications for XForce E4-HV20-1-CBS
| 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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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
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Very good comforter, soft and comfortable. It is warm but lightweight, and it feels high quality. The cotton fabric is nice and doesn’t cause allergies. Perfect for a good night’s sleep. I recommend it
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Reviewed in the United States on April 14, 2026
★★★★★ 4
High quality, but it makes a sound like crinkling.
Color: White/All Season, Size: Queen
I enjoy the warmth of this comforter. Yet very lightweight. It is not as big and fluffed up as the first photo. It does feel like hotel softness and has loops for a duvet cover. The only thing I don't like is the sound it makes. It crinkles when you move it around. If it made no sound I would rate 5 stars.
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Hotel-like comfort at home
Color: White/All Season, Size: King
This Serta duvet has surprised me very positively. Since I took it out of the packaging it feels of good quality, with a soft and pleasant to the touch cotton fabric. The King size (106 x 90 inches) perfectly covers the bed and falls very well on the sides, which gives it an elegant look.
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Another point in favor is that it is hypoallergenic, something important if you are sensitive to dust or certain materials. So far it has maintained its shape well and has not been lagged.
In general, it is a very good option if you are looking for a comfortable duvet, with the appearance of a hotel and that you can use in any season.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Hotel-Quality Softness and Perfect Comfort.
Color: White/All Season, Size: King, Color: White/All Season, Size: King
Excellent quality! Super soft, comfortable, and with the perfect weight to sleep cool yet cozy at the same time. The King size fits perfectly and feels like a luxury hotel comforter. Highly recommended.
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Adds comfort and support
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The cooling effect was one of the biggest surprises. I tend to sleep hot and usually wake up sweating during the night, but the bamboo-derived fabric feels breathable and much cooler than regular mattress pads I’ve owned before. It stays comfortable throughout the night and doesn’t trap heat like memory foam toppers sometimes do.
I also really appreciate the waterproof protection. It gives peace of mind without feeling stiff or making that annoying crinkling noise some waterproof covers have. The surface still feels soft, plush, and smooth. It honestly feels more like a hotel-style pillow top than a basic mattress pad.
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Another thing I liked was how fluffy and well-made it looked right out of the package. After letting it expand for a bit, it became nicely plush and evenly padded. The stitching seems durable, and it still looks great after washing.
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Reviewed in the United States on May 14, 2026