SKU: 39375298606

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

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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
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SKU: 39375298606

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My son (17) ordered this suit to wear to Prom (2 weeks before) and it was a hit! Great Quality and great fit! He even convinced a few of his friends to buy their suits here too! Would purchase again for sure!
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This is a terrific purchase.
Size: Large, Color: Navy Blue, Size: Large, Color: Navy Blue
Amazing for the price. It’s a wonderful suit fit just right for a 5’10”. 145 pound male. The quality is surprisingly wonderful for this suit and the color is accurate. As in the picture it is a slim fit and accentuates his figure. I would highly recommend this for a purchase. (be sure to use the measurements on their description before ordering). After a steam and a press we were ready to go. The packaging was very nicely done also.
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VKI
Whiting, US
★★★★★ 5
Perfect fit.
Size: Large, Color: Dark Gray
I’m 5’9”, about 180 lbs. I got an L based on the Amazon recommendation. The size chart showed the pants being a 36” which is big for me but it’s those that stretch so if you’re a 34” like me, it’ll fit perfectly. No alterations needed for me. Great fit, good looking suit, nice material. I immediately bought another and hope it fits as good as this one. Genuinely impressed.
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Nagesh Yadav
Fort Morgan, US
★★★★★ 4
Pant issue
Size: X-Small, Color: Dark Navy
Except pant. Everything is good.
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Rita Jones
Lake Worth, US
★★★★★ 5
A good price
Size: Small, Color: Black
For the price , this was a good buy. My 8th grade great-grandson needed a suit and I could not find a black suit to fo fit him. This was perfect.
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Reviewed in the United States on June 3, 2026

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