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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:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
WULFUL Men's 3 Piece Slim Fit Suit Set - Elevate Your Style with Timeless Sophistication
Size: XX-Large, Color: Navy
The WULFUL Men's 3 Piece Slim Fit Suit Set has exceeded expectations, delivering a perfect blend of modern elegance, impeccable tailoring, and versatile style. This review reflects my positive experience with this distinguished suit ensemble.
Fit and Tailoring:
The slim fit design of the suit strikes a harmonious balance between a tailored silhouette and comfortable wear. The jacket, pants, and vest are expertly tailored, accentuating the body's natural lines without feeling restrictive. The attention to detail in the stitching and construction speaks volumes about the quality craftsmanship.
Fabric and Comfort:
Crafted from high-quality materials, the fabric of the suit feels luxurious against the skin. The breathable and lightweight nature ensures comfort throughout the day, making it suitable for a range of occasions. Whether worn for business meetings, special events, or formal gatherings, the suit maintains a comfortable and polished feel.
Timeless Style:
The classic design of the suit exudes timeless style, making it a versatile addition to any wardrobe. The subtle details, such as the notched lapel, welted pockets, and single-breasted closure, contribute to the overall sophistication. The suit effortlessly transitions from formal occasions to semi-formal events, showcasing its adaptability.
Versatility:
The versatility of this 3-piece suit set is a standout feature. The jacket, vest, and pants can be worn together for a complete formal look or styled separately for a more casual ensemble. This adaptability adds value to the suit set, allowing for a range of outfit options tailored to different occasions.
Attention to Detail:
WULFUL has demonstrated a keen eye for detail in the design and construction of this suit set. From the carefully aligned patterns to the precise tailoring of pockets and seams, the meticulous attention to detail elevates the overall aesthetic. The suit exudes a polished and refined appearance, suitable for any discerning gentleman.
Affordability and Value:
Considering the exceptional quality, craftsmanship, and timeless style, the affordability of the WULFUL Men's 3 Piece Slim Fit Suit Set is noteworthy. The set offers remarkable value for its price, making it an accessible option for individuals seeking a sophisticated wardrobe staple without compromising on quality.
Overall Impression:
In conclusion, the WULFUL Men's 3 Piece Slim Fit Suit Set has earned its place as a wardrobe essential. With its impeccable fit, luxurious fabric, timeless style, versatility, attention to detail, and affordable pricing, this suit set stands out as a stellar choice for those who appreciate both classic elegance and modern refinement. Elevate your style effortlessly with WULFUL, where sophistication meets affordability in a tailored masterpiece. Highly recommended for anyone seeking a distinguished and versatile suit ensemble!
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Reviewed in the United States on March 7, 2024
★★★★★ 5
Affordable and classy
Size: Medium, Color: Light Brown, Size: Medium, Color: Light Brown
I have five stars even if the best was a little short. I have a tall boy and the rest is totally worth the money. Fit was as marked aside from vest which is higher on the chest than necessary. It was comfortable for him and durable. Gonna keep for any need in the future. He wore it to prom and it was awesome.
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Reviewed in the United States on May 19, 2026
★★★★★ 4
3 piece suit at a great price
Size: Small, Color: Black
My son needed a suit, and these worked out great. It looks nice. Don't just assume the size, go by their size chart. I was going to order him a medium, by the chart recommended a small, and it fit perfect. The material doesn't look like an expensive suit but it worked out great for him.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Fits so good and looks really niceeee
Size: Small, Color: White
Really nice suit. Looks super nice and high quality. Would purchase again.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
10/10 Great suit , great price
Size: X-Small, Color: Red, Size: X-Small, Color: Red
Absolutely stunning for the price. Very flexible and good fit. I wish the XS was just a bit smaller but it's good. Middle of the ground with thickness it's not a cheap thing costume feel but it's not your typical heavy suit. Which I much prefer. It's lightweight but not cheap. For the price you can't ask for a better suit. I was thinking it was more of a one time use, but it's a very good long term suit. Feels very well and allows great mobility. I featherweight conceal carry and it's very easy to hide my pistol in the suit because of its flexibility. 10/10 would definitely recommend
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Reviewed in the United States on March 1, 2026