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Description
XForce | Twin 3" Varex Valved Cat Back Exhaust | Holden VT VX VY VZ V8 5.7L 1999–2006 | E4-HV08VMK-CBSXForce Twin 3" Varex Valved Performance Cat Back Exhaust System Holden VT VX VY VZ V8 5. 7L E4 HV08VMK CBS Experience unparalleled performance and total acoustic control with the XForce Twin 3" Cat Back System featuring Varex Valved technology. Specifically designed for VT through VZ series Holden vehicles powered by the LS1 5. 7L V8, this high flow system is crafted from durable 409 stainless steel. The massive twin 3" mandrel bent pipework provides
XForce Twin 3" Varex Valved Performance Cat-Back Exhaust System - Holden VT VX VY VZ V8 5.7L - E4-HV08VMK-CBS
Experience unparalleled performance and total acoustic control with the XForce Twin 3" Cat-Back System featuring Varex Valved technology. Specifically designed for VT through VZ series Holden vehicles powered by the LS1 5.7L V8, this high-flow system is crafted from durable 409 stainless steel. The massive twin 3" mandrel-bent pipework provides maximum exhaust flow, perfect for modified engines or those seeking the ultimate performance footprint. The standout feature is the Varex rear mufflers, which utilize a sophisticated electronic butterfly valve system, allowing you to switch between a discreet, refined tone and a thunderous, aggressive V8 roar via a remote control or the Varex Smartbox (sold separately).
What's in the Box?
- 1x Twin 3" 409 Stainless Steel Cat-Back Pipework
- 2x Centre Straight-Through Performance Mufflers
- 2x Varex Valved Rear Mufflers
- 1x Varex Control Kit (Wiring & Remote)
- Twin 3" Polished Exhaust Tips
- All Required Gaskets and Bolt Kit
Features:
This flagship XForce exhaust system offers high-end performance and versatility:
- Varex Adjustable Sound: Electronically control your exhaust volume with the touch of a button—perfect for early morning starts or track days.
- Large Twin 3" Pipework: High-diameter mandrel-bent tubing ensures minimal backpressure and maximum horsepower gains.
- 409 Stainless Steel Construction: Offers excellent durability and high heat resistance for high-output V8 applications.
- Straight-Through Centre Mufflers: Maintains a smooth exhaust path to enhance engine response and torque.
- Polished Twin Tips: Provides a premium, aggressive look to the rear of your VT, VX, VY, or VZ sedan.
Specifications:
- Make: Holden / HSV
- Model: Commodore / Calais / Clubsport / Senator
- Series: VT, VX, VY, VZ
- Body Style: Sedan
- Year Range: 1999–2006
- Engine: 5.7L LS1 V8
- Material: 409 Stainless Steel
- Pipe Size: Twin 3 Inch (76mm)
- System Layout: Cat-Back System with Varex Valved Mufflers
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-HV08VMK-CBS
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | COMMODORE | 08/2004 | 07/2006 | Sedan | VZ | LS1 | 5.7L | Petrol | SS| SSZ| SV8 | RWD |
| HOLDEN | COMMODORE | 09/2004 | 12/2005 | Sedan | VZ | LS1 | 5.7L | Petrol | i V8 | RWD |
| HOLDEN | COMMODORE | 09/2004 | 12/2005 | Sedan | VZ | LS1 | 5.7L | Petrol | SS, SS Z, i V8 SV8 | RWD |
| HOLDEN | COMMODORE | 09/2002 | 08/2004 | Sedan | VY | LS1 | 5.7L | Petrol | i V8 | RWD |
| HOLDEN | COMMODORE | 10/2002 | 07/2003 | Sedan | VY | LS1 | 5.7L | Petrol | SS| SV8 | RWD |
| HOLDEN | COMMODORE | 10/2000 | 09/2002 | Sedan | VX | LS1 | 5.7L | Petrol | SS| EXECUTIVE | RWD |
| HOLDEN | COMMODORE | 09/2000 | 09/2002 | Sedan | VX | LS1 | 5.7L | Petrol | i V8 | RWD |
| HOLDEN | COMMODORE | 06/1999 | 08/2000 | Sedan | VT | LS1 | 5.7L | Petrol | i V8 | RWD |
| HOLDEN | COMMODORE | 06/1999 | 10/2000 | Sedan | VT | LS1 | 5.7L | Petrol | SS| EXECUTIVE | RWD |
Payment & Security:
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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
4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Love this version of Chuck It beyond all before
Size: Mini
I had the longer bendable Chuck It before, well several, which broke down. They finally wouldn’t’ release the ball.
Not disparaging Chuck It.
They have been my furry puppy's favorite thing ever. I am grateful.
But what I like and think is intuitive about this smaller design is 2 things:
1. I can do a more dynamic throw.
2. There are circle holes in the Chuck It Ball that come with it that I think allow for easier release and the ball can go father.
Just my two cents.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
★★★★★ 3
Still Good to Use in a Pinch
Size: Mini
Love the Chuck it brand. This collapsible one is not my favorite. Everytime I chuck it, the orange lock does not stay in place. Plus, in my opinion, it doesn't have the oomph for the distance like the other medium ones. Still good though
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
★★★★★ 5
Excellent product and my dog loves it
Style: Classic, Size: 26in
I love these toys almost as much as my dog! It makes throwing a ball over and over much less straining on my shoulder and also allows me to pick the ball up without getting slobber all over me. Chuck-it products are high quality and they're the only ball I will buy now- it's my dog's favorite!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Ball launcher
Style: Classic, Size: 26in
Love this!! Our back yard is a little more than 3/4 of an acre,and this will send a ball almost the entire distance ,which our pittie loves ! Easy way to tire out a super energetic pup !! Well made considering it's used A LOT,it's held up great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 5
Solid, Quality Construction at a Value
Style: Classic, Size: 26in
It's amazing how much fun my new puppy and I have been having with a single, vacuum-molded piece of plastic. I have a 4mo named Walter and getting a Chuckit® was always in the cards. 1: I didn't know how cheap they were, and 2: I didn't realize how much fun it makes fetch. Really small things like being able to pick up the ball with the Chuckit® without having to bend down was so surprising and makes fetch last longer for both of us.
Another tip is that I had watched videos where they say the throwing technique is sort of a punch, or whip action; where you sort of wind-up, throw, and then jerk your hand back (like cracking a whip). I started doing that and it was fine, and working without problems. But then I thought, "I'm just going to launch this with one continuous movement". And WOW what a difference. If you have the space (a big field, basically), you don't need to modify your throw to a punch or whip type movement. Just launch it like you're casting a fishing pole, and end your motion with the Chuckit® pointing directly at where you're trying to throw it. The ball naturally flies out at about a 45 degree angle. High and far. You don't need to overthink it. Additionally, if I'm in my backyard (fenced with neighbors all around) and I can't go high and far, I just side-arm it. And the ball releases on it's own. No need to whip.
Looking forward to my Pup growing up so we can play longer. Love this thing. Oh one more tip from my brother– he says a lacrosse ball fits perfectly in these things too if you have a dog that wants to destroy your tennis balls. Lacrosse balls are practically indestructible. Just make sure not to launch it on any surface that will bounce, or you'll never see it again.
I'd buy this again in a heartbeat. For the price, stop thinking about it, buy it, and go play with your dog!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2020
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