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Description
1999-2000 Mazda Miata MX5 1.8L 4-2-1 SS 1-5/8 Header XForce HS-9918Enhance Your Mazda MX 5's Performance with the XForce 4 2 1 Stainless Steel Header Upgrade your 1999 2000 Mazda MX 5 Miata's exhaust system with the XForce 4 2 1 Stainless Steel Header (Part Number: HS 9918). This high quality header is engineered to improve exhaust flow, resulting in enhanced engine performance and a more responsive driving experience. Key Features: Tri Y Design: The 4 2 1 configuration optimizes exhaust scavenging, leading to
Enhance Your Mazda MX-5's Performance with the XForce 4-2-1 Stainless Steel Header
Upgrade your 1999-2000 Mazda MX-5 Miata's exhaust system with the XForce 4-2-1 Stainless Steel Header (Part Number: HS-9918). This high-quality header is engineered to improve exhaust flow, resulting in enhanced engine performance and a more responsive driving experience.
Key Features:
- Tri-Y Design: The 4-2-1 configuration optimizes exhaust scavenging, leading to increased horsepower and torque across the RPM range.
- Stainless Steel Construction: Made from durable 304 stainless steel, this header offers excellent corrosion resistance and longevity.
- Precision Engineering: Mandrel-bent tubing ensures smooth exhaust flow, while CNC-machined flanges provide a secure, leak-free fit.
- Fuel Type: Gasoline
- California Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Specifications:
- Brand: XForce
- Type: Exhaust Header
- Items Included: Header, Gaskets, Mounting Hardware
- Material: 304 Stainless Steel
- Substrate Material: Stainless Steel
- Primary Tube Diameter: 1 5/8 inches
- Header Style: Tri-Y (4-2-1) One-Piece Design
- Collector Attachment: 2-Bolt Flange
- Finish: Natural Stainless Steel
- Features: Mandrel-Bent Tubing, CNC-Machined Flanges, Bolt-On Installation
- Fuel Type: Gasoline
- Placement on Vehicle: Front (Engine Bay)
- Manufacturer Part Number: HS-9918
- OE/OEM Part Number: HS-9918
Vehicle Compatibility:
This header is designed to fit the following Mazda MX-5 Miata models:
- 1999-2000 Mazda MX-5 Miata: 1.8L 4-cylinder engine
Note: While some references indicate compatibility with 1998-2005 models, it is recommended to verify fitment for models outside the 1999-2000 range.
Items Included:
- XForce 4-2-1 Stainless Steel Header (HS-9918)
- Gaskets
- Mounting Hardware
Installation Notes:
- Professional Installation Recommended: Due to the complexity of exhaust system modifications, professional installation is advised to ensure optimal performance and fitment.
- No Welding Required: Designed for a bolt-on installation using standard hand tools.
- Complete Kit: Includes all necessary gaskets and mounting hardware for a complete installation.
Upgrade your Mazda MX-5 Miata's exhaust system with the XForce HS-9918 header to experience improved performance, durability, and a more exhilarating driving experience.
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
4.6 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Simple yet easy must have for discerning coffee drinkers
Color: Black&Silver
I seem to never get the same results from my coffee machine and it varied even more with the new brand that we just bought. I now have to make more adjustments with the water temperature, based on age, type of beans, etc. That affects the amount of ground dispensed and consistency in the shot until I get a new batch dialed in.
So the only way to regulate these changes is to weigh both the beans and water. Using this little scale has made things easier, less frustrating and more predictable.
What’s awesome is that it will automatically begin the timer with the first drop and stop when the pressure remains constant.
Simple yet easy and super convenient. If you are looking for a great little digital scale this should do the trick. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
★★★★★ 5
Great Digital Scale!!
Color: Black&Silver
The Maestri House S2 scale has been clutch for dialing in my espresso shots. Memphis heat or not, this thing stays accurate and steady. The timer starts up quick, the readings are fast, and the compact size fits perfectly under my Breville without feeling cramped. It’s built solid, charges by USB‑C, and the precision really shows when you’re trying to get that perfect pull.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
★★★★★ 4
Has fit perfectly into my morning espresso
Color: Black&Silver
This seems to me to be an excellent small kitchen scale. I am new to the complexities of espresso making and have begun using this scale every morning to measure my dose and output. It is working just fine. Easy to operate, keep clean and store. I did not give it 5 stars because I have limited comparisons but I don’t expect and will not bother looking for anything better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Perfectly fits what I needed for my espresso habit!
Color: Black&Silver
This Maestri House mini coffee scale is a great little tool for espresso and pour-over. The size is compact enough to fit under a portafilter or cup, and the 0.1g accuracy makes dialing in coffee much easier. I like the built-in timer, rechargeable USB-C battery, and clean black-and-silver look. It feels precise, practical, and easy to keep near the espresso machine. Great value for anyone who wants more consistent coffee.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Maestro House Mini Coffee Scale
I have begun to drink tea, pu’erh tea to be specific. I have several varieties and I have had a problem with getting consistent results. The varieties can be very different in size depending on when the leaves are harvested (leaves harvested in spring are much smaller). So the easiest way to get consistent results is by weight. This scale is very easy to use with a ceramic tea scoop, set the tea scoop on the scale, zero it out and add tea leaves. This has made my results much better, without the wild swings in strength I had been getting before trying to eyeball even measures. This scale gives me accurate measurements to one tenth of a gram.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
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