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Description
XForce | Ford Focus RS Varex Valved Cat-Back System with Smartbox 2016-2018 | ES-FRS16VMKSB-CBSFord Focus RS Smartbox Equipped Varex Valved Cat Back System ES FRS16VMKSB CBS Taking the sound of your Ford Focus RS to the next level couldnt be easier with our carefully crafted 304 grade stainless steel cat back exhaust system. Designed and tested in our Australian R&D facility, this 3 mandrel bent system is a proven package that adds a deep, crisp tone and the perfect level of crackle and pop to the turbocharged 2. 3L engine. The standout feature
Ford Focus RS Smartbox Equipped Varex Valved Cat-Back System - ES-FRS16VMKSB-CBS
Taking the sound of your Ford Focus RS to the next level couldn’t be easier with our carefully crafted 304-grade stainless steel cat-back exhaust system. Designed and tested in our Australian R&D facility, this 3” mandrel-bent system is a proven package that adds a deep, crisp tone and the perfect level of crackle and pop to the turbocharged 2.3L engine.
The standout feature is the Varex valve-controlled muffler, allowing you to switch from a tame, neighborhood-friendly volume to an unleashed, aggressive roar at the touch of a button. This kit includes the Smartbox, the ultimate in exhaust control. Using our patented Bluetooth smartphone app, Smartbox provides pre-set automatic valve control, GEO-fencing, and precise manual adjustment to truly make the sound yours.
What's in the Box?
- 1x 3" Matte Finish 304 Stainless Steel Cat-Back System
- 1x Centre Hotdog Resonator
- 1x Varex Valved Rear Muffler (Polished Stainless)
- 1x Smartbox Control Module
- Dual 4.5" Double-Wall Black Stainless Steel Tips
- All Necessary Gaskets, Nuts, and Bolts
Features:
- 304 Stainless Steel: High-grade construction for maximum durability and corrosion resistance.
- Varex Valved Technology: Direct control over your exhaust sound volume via the internal electronic valve.
- Smartbox Included: Enables smartphone app control, GEO-fencing (sound based on location), and Matrix Mode for automated valve adjustment.
- 3" Mandrel-Bent Tubing: Matte finish pipework optimized for high-velocity exhaust flow and power gains.
- 4.5" Double-Wall Black Tips: Massive, premium black tips for a stealthy and aggressive rear-end aesthetic.
- Hotdog Resonator: Specifically designed to maintain a clean exhaust note while reducing unwanted interior drone.
Specifications:
- Part Number: ES-FRS16VMKSB-CBS
- System Type: Cat-Back Exhaust
- Pipe Diameter: 3" (76.2mm)
- Material: 304 Stainless Steel
- Valve Control: Varex with Smartbox (App Controlled)
- Tip Size: Dual 4.5" Double-Wall
- Tip Finish: Black Stainless Steel
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
- Smartbox Connectivity: Requires a compatible smartphone and the Xforce Varex App for full functionality.
- Installation Note: Electrical wiring is required for the Varex muffler and Smartbox module. Professional installation is highly recommended.
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| FORD | FOCUS | 2016 | 2018 | Hatchback | RS (LZ) | 2.3L Turbo | RS | AWD |
Warranty Information
| Product Type | Warranty Period |
|---|---|
| 304 & 201 Stainless Steel Exhaust Systems | 60 Months |
| Accessories | 12 Months |
| Catalytic Converters | 12 Months |
| Electronic Products (Including SmartBox) | 12 Months |
| Mild Steel & 409 Stainless Steel Exhaust Systems | 24 Months |
| Mild Steel Headers | 12 Months |
| Stainless Steel Headers | 24 Months |
| Universal 304 Stainless Steel Mufflers | 24 Months |
| Universal Mild Steel & 409 Stainless Steel Mufflers | 12 Months |
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
4.5 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
Will buy again
Size: 25in, Style: Sport
Fits the bill.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2025
★★★★★ 5
Must Have for Tiring Out Your Pup
Size: 25in, Style: Sport
The Chuckit! Sport 25M Dog Ball Launcher is an absolute must-have for any dog owner with an active pup! This thing takes fetch to a whole new level—effortless long throws, hands-free pickup (no more slobbery tennis balls!), and a comfortable grip that makes playtime easier and way more fun.
My dog absolutely loves it, and I love that it helps her burn off energy without tiring out my arm. The included medium ball is the perfect size for medium to large dogs, and the durable construction means it's built to last. If you're looking for a simple but game-changing way to upgrade fetch, this is it. Highly recommend!
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Reviewed in the United States on February 13, 2025
★★★★★ 5
My Niece dog loves it!
Size: 18in, Style: Sport
This ball launcher takes a bit of getting. used to, but it is really helpful for those of us who are not MLB pitchers! The launcher itself is a sturdy plastic that is not brittle yet not soft; when the ball is launched there is no destructive bending in the shaft. The handle is padded and ergonomically sound while the cup end cradles the ball but has cut-outs on each side for easy loading and unloading of the ball. It did take a bit of practice for me to get the hang of it, but for my husband and son it was much easier. The launcher works well to help us older, non-gifted athletes launch the ball farther and faster while saving the shoulder, elbow, and wrist (important if there is any arthritis). The ball fits nicely into the cup and releases easily.
The 2.5 size was too small for my Doberman, so we opted for the 3.5 in launcher. This smaller launcher and ball are now in the employ of my sister and her husband for their retriever-border collie mix, an 18 month old little fireball!. This is just the right size for her. My sister's husband has difficulty with arthritis and is neither quick on his feet nor able to stand very long. So the launcher comes in very handy. He can actually sit in a lawn chair and throw the ball repeatedly when their dog retrieves and returns it to him. That is a win- win!
Top 3 Likes:
-Easy to use
-Helps older pet owner
-Drives the ball farther and faster
Top 3 Dislikes:
-With repeated uses the edges of the launcher appear to get scuffed and scratched
-Some ingrained staining on the edges persists requiring scrubbing to remove
-There is a mild worry that with time the launcher may snap
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Reviewed in the United States on September 4, 2024
★★★★★ 5
My dog loves it
Size: 25in, Style: Sport
I am amazed at how far I can throw a tennis ball. My dog and I absolutely love this. What happens to work well with the squeaky balls?I get on amazon as well. I have one of these at home, And I keep another one in the truck.
Very durable, The balls have good bounce, My dog and I have a lot of fun with it. My dog doesn't chew much on balls, But this one seems like it's going to stand out, I love the versatility, Hey can handle almost ending ball that same size. Are you solid rubber bouncy balls, Squeak.
Ing tuba balls, Whiffle balls with all the holes in it, Even the squeaky chewing balls. As long as there are that same size.
love the product. I've been using them for a few years.
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Reviewed in the United States on July 22, 2024
★★★★★ 5
Durable
Honestly I didn't think this ball would last but 2 years later and only one battery change later and it is going strong. This ball has given me so much more time to play with my dog since I can throw the ball at night on short winter days I can't recommend it enough. I can throw the ball at night and my dog can find it in the dark. Add a collar LED and it's a funny light show of one light intercepting another.
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Reviewed in the United States on February 26, 2026