SKU: 83084522986

XForce | 2.5" Inlet Varex Universal Valved Muffler | 6.5" Round Body | VMK15-250

$224.55 $249.50
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

XForce | 2.5" Inlet Varex Universal Valved Muffler | 6.5" Round Body | VMK15-250XForce Varex Universal Valved Muffler 2. 5" Inlet 6. 5" Round Body VMK15 250 Make it loud, make it quiet, make it yours with the VMK15 250 Varex universal muffler. Patented Varex valved technology provides enthusiasts with the ultimate exhaust solution: a setup that can be as quiet as a stock exhaust when you need it, or unleash the raw sound of your engine when you want it. Using the two supplied key fobs, you can toggle between closed, 25%, 50%,

XForce Varex Universal Valved Muffler - 2.5" Inlet - 6.5" Round Body - VMK15-250

Make it loud, make it quiet, make it yours with the VMK15-250 Varex universal muffler. Patented Varex valved technology provides enthusiasts with the ultimate exhaust solution: a setup that can be as quiet as a stock exhaust when you need it, or unleash the raw sound of your engine when you want it. Using the two supplied key fobs, you can toggle between closed, 25%, 50%, 75%, and fully open valve positions to perfectly suit your environment and driving style. Crafted from premium 304 stainless steel, this universal muffler is designed for custom applications where performance and sound control are paramount.

What's in the Box?

  • 1x XForce Varex Universal Muffler (Round Body)
  • 1x Varex Control Module
  • 2x Remote Control Key Fobs
  • 1x Wiring Harness & Power Cable

Features:

This product offers the following high-performance features:

  • Patented Valved Technology: In-muffler valve system allows for real-time exhaust sound and flow adjustment.
  • Premium 304 Stainless Steel: Fully constructed from high-grade 304 stainless steel for maximum corrosion resistance and a polished finish.
  • Megaflow Internals: Designed for high-flow performance, ensuring that even in "open" mode, backpressure is minimized for power gains.
  • Smartbox Ready: Fully compatible with the XForce Smartbox (sold separately), enabling Bluetooth smartphone app control, geo-fencing, and automatic valve presets.
  • Universal Fitment: Ideal for custom exhaust fabrications looking for a 2.5" center-to-center configuration.

Specifications:

  • Part Number: VMK15-250
  • Body Shape: 6.5" Round
  • Body Length: 15" (381mm)
  • Inlet: 2.5" (63mm) with 2-Bolt Flange (3" long)
  • Outlet: 2.5" (63mm) Round (5.5" long)
  • Material: 304 Stainless Steel
  • Configuration: Center Inlet / Center Outlet

Important Information

  • The image shown may not reflect the actual product
  • Shipping times may vary depending on destination and stock availability
  • Clearance Note: Please allow at least 2 inches of clearance for the actuating motor during installation.
  • Fitment: This is a universal component and may require professional welding/fabrication for installation.

Vehicle Applications:

Vehicle Applications for VMK15-250

This is a Universal Product. It is not vehicle-specific and can be fitted to a wide range of makes and models, provided the exhaust piping matches the 2.5" diameter and there is sufficient under-car clearance for the 6.5" round body and Varex motor.

 

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:
  1. 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
SKU: 83084522986

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4.4 ★★★★★
Based on 21 reviews
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L
Verified Purchase
Laurena
Grantham, US
★★★★★ 1
Cracked Tooth
Update: While I originally loved this product and so did my dogs, I feel the need to update this review. The Dura Chew Nylabones are incredibly hard, which is what makes them last so long. However, one of our dogs did crack a tooth recently from chewing on a Dura Chew. Since then, we have been very hesitant to allow any of our dogs to chew on these as other reviews also state that dogs have cracked teeth. We have since thrown out all of the Dura Chews that we had. We are still using the regular Nylabone products (when they aren't made in China), but once those are gone we will not buy any additional products from Nylabone. We have been buying Whimzees for our dogs for the last two years or so and they are a healthy edible alternative. They do not last as long because they are edible, but I have the peace of mind in knowing that my dogs are safe with them. Another healthy alternative would be antlers, which we also give to our dogs and they usually last a long time. Original review: Another great Nylabone product. I love that dogs can chew on Nylabone products and they can't pull off pieces like products from other brands (Hartz for example). The Dura Chews are especially great for our hard chewers and they last forever! I love all of the dimples on their chews too, they're great for keeping our dogs' teeth clean. The vet is always impressed when they check their teeth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2015
S
Verified Purchase
Samurai
New York, US
★★★★★ 5
Excellent for heavy chewers!
Flavor Name: Beef, Size: Mini
My dog is between 1-2 years old, and is a heavy chewer. So far the Better Bone is lasting very well! He still is chewing away at it! Excellent quality, and I appreciate that there’s no plastic that my dog is consuming.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
A
Verified Purchase
Amazon customer
Alexandria, US
★★★★★ 5
By far ... the SAFEST and most DURABLE bone for dogs that are hardy chewers!
Flavor Name: Beef, Size: Large
After searching high and low for a NON-TOXIC, DURABLE and truly SAFE dog bone, I finally found the large, beef-flavored, HARD version of the BetterBone for my year-plus-old rescue (Carolina Dog). 1 - it's made of all NATURAL food-grade materials (cellulose from plant cell walls) ... which means no nylon, no GMOs, and no other artificials materials so it doesn't event stain your flooring. My girl loves the tasty beef flavor. 2 - the wishbone DESIGN is genius because it gives her 3 ends to choose from (nubs v raised edges v smooth) and ample ways to stabilize it on the floor with her paws. 3 - it is uber DURABLE in standing up to the hardiest of chewers (my girl gnaws on hers daily and sometimes even multiple 10-minute sessions per day). It works great to clean and reduce tartar on her teeth. The biggest surprise was that it took 6 months for her to gnaw it down to a size that was no longer safe for her (i.e. a potential choking hazard), so I donated it to a lady with tiny dogs at the dog park. At $20 per large bone, it's a good value. 4 - and most importantly, ... it is super SAFE. It degrades in tiny little pieces that could not possibly cause a choking hazard, and being all natural (i.e. no nylon - which most bones do have), there is no worry if she does ingest some of the particles. They vacuum up with ease. The large bone weighs in at just over 12 ounces so it's kinda' heavy (9.25" long x 5" wide x 2" thick), but my 56 lb girl has no problem picking it up in her mouth before she hops up on the couch with me or into her bed. Thank you BetterBone for making a superior product that is healthy, safe and fun for my pup!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 15, 2025
K
Verified Purchase
Karen
Houston, US
★★★★★ 5
Great chew
Flavor Name: Beef, Size: Large
Excellent! My super chewer loves it! He chews it everyday and it holds up!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
J
Verified Purchase
jennabailey1272
Fort Morgan, US
★★★★★ 4
Decent durability
Flavor Name: Beef, Size: Small
My super chewer pit bull mix loved these! They lasted several weeks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026

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