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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
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Description
Capristo Dodge Viper SRT ACR - Sport Cats 250 Cell with Heat BlanketsMade of T309 (1. 4828) Grade Stainless Steel and Hand polished to a mirror finish. This version includes custom hand sewn heat blankets to reduce under hood temperatures, protecting the surrounding body, hoses, and painted surfaces from residual heat damage. These High Performance Sports Catalytic Converters feature 200 cell per square inch substrate fashioned from the highest quality materials currently available designed to improve air flow for your
Made of T309 (1.4828) Grade Stainless Steel and Hand-polished to a mirror finish. This version includes custom hand-sewn heat blankets to reduce under-hood temperatures, protecting the surrounding body, hoses, and painted surfaces from residual heat damage.
These High Performance Sports Catalytic Converters feature 200 cell per square inch substrate fashioned from the highest quality materials currently available designed to improve air flow for your vehicle and increase performance.
The cell count of a catalytic substrate refers to the number of holes per square inch and is a direct indication of the flow capabilities of that substrate. The lower the count of holes the bigger the hole need to be to fill one square inch, a bigger hole subsequently flows more exhaust gasses.
All of this High flow will not help if the substrate is ‘squeezed’ into to small a diameter can or pipe. For this reason, CAPRISTO Sports Cats come packaged in 5.2 inch packages to maximize exhaust gas flow and operation of the valved exhaust system.
The CAPRISTO valved exhaust system helps low rpm torque by providing back pressure in the exhaust, and raises temperature for good catalytic converter operation. While in the open valve condition for high rpm, it takes full advantage of the free flow characteristics of the CAPRISTO Sport Cats optimizing the high energy exhaust at the ideal temperature and back pressure to maximize performance.
These catalytic converters can be easily fitted to a CAPRISTO exhaust systems or any system that fits directly to the OEM exhaust.
Capristo Exhaust emphasizes that you should avoid revving up your car while not moving! The exhaust flames that may occur could cause damage to vehicles and people in near proximity!
*Recommended For Off-Road and Track Use Only*
Replacing Your OEM Catalytic Converter/s may trigger a CEL (Check Engine Light).
To disable a recurring CEL you will need to tune the ECU or use 02 Sensor Extensions.
**The use of sports catalytic converters, replacement pipes and manual valve controls (CES- 3, EVCU-1) are not permitted on public roads in some US states and other countries. Please be sure to observe the legal regulations in the respective country/state. Sports exhaust systems that are not approved for use on public roads are intended exclusively for racing purposes and are designed to be used on private racetracks. Use on public roads at your own risk. Before installing an exhaust system, the buyer must ensure that the system can be used in their respective region. Capristo Automotive emphasizes that you should avoid to rev up your car while not moving! The exhaust flames that may occur could cause damage to vehicles and persons in near proximity!**
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
4.4 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Has upped our coffee game :)
Color: Sliver, Color: Sliver
EDIT: Well, 2 months later, this is still performing okay, however some of the needles have gotten slightly bent, causing it to seem loose and wobbly as they rotate within their opening. . Not a great aspect of this design. If you loosen the head straighten any bent needles, it does help a little bit.
So far so good. It’s made a little difference in our coffee. We buy espresso beans and so we really pay attention to the way the espresso acts from cup to cup. We notice that after using this tool our coffee is a little sweeter, probably because the way the grounds are so evenly distributed and the little channels that the wires create. Easy to use, store, and keep clean. And it’s cute on the counter!
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Big Improvement in Espresso Consistency
Color: Black
This WDT tool made a noticeable difference in the quality of my espresso shots. The needles are thin enough to break up clumps and create a very even coffee bed, and the distribution feels smooth and controlled. Build quality is solid, the handle feels comfortable, and it’s easy to clean. I’ve gotten more consistent extractions and better flavor since using it. For anyone looking to upgrade their espresso workflow, this is a simple but very effective tool. Definitely worth it.
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Impressed
Color: Black
I rarely give 5 star reviews. This product deserves it. A lot of thought has gone into the design.
First, the material of it is quite good, metal. It has a contoured and knurled top for ease of use and good grip without being "grippy". The recepticle has little brushes inside which I think is unique to this product. Will those brushes created a problem in the future? I don't know. But there must be a way to clean out the coffee dust at some point. An air blower?
Until now I had been using a home-made WDT with acupuncuture needles drilled into a cork. When I used the Nessus WTD I could immediately feel a difference as I stirred the grounds. While I have only made two double-shots so far, there was noticeably less channeling that I had before (I use a bottomless portafilter exclusively). Actually I had no channeling, but initially two streams that mergedi into one in about 3 seconds, so pretty good compared to what I had before.
Nothing much more to say except the price was quite good compared to other WDT's. Even though I haven't used this product more than a few times, I can, at least at first blush, recommend it.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Works well out of the box, and better with a tweak.
Color: Black, Color: Black
This is a solid, well-made WDT tool that does exactly what it’s supposed to do — and gives you room to fine-tune it to your preference.
The build quality feels good in the hand, and it works well right out of the box. A big plus is that it comes with extra needles, which makes it easy to change out bend needles or customize. I found that removing some of the needles actually improved usability for me. With all nine installed, it tended to push grounds around too aggressively.
I’m currently running just 3 needles, and that setup works much better for gently breaking up clumps and distributing grounds without pushing or spilling coffee over the basket. Once dialed in, it’s been very effective and consistent.
Overall, this is a great tool from TIVERAIN. If you like dialing in your workflow and want control over how aggressive your WDT is, this one is a great option.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Works like it should, easier to use if you keep the dosing funnel on the basket
Color: Black, Color: Black
With a weighted top and storage base, this is sturdy metal with what appear to be standard acupuncture needles. It comes with a set of spare needles in a plastic tube.
I find it much easier to use if I keep my dosing funnel on the basket, followed by a quick clearing of the funnel using a weighted espresso distribution tool with the maximum extension before popping off the funnel for my final tamp. See photo.
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Reviewed in the United States on March 11, 2026
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