SKU: 24504063795

1999-2000 Mazda Miata MX5 1.8L 4-2-1 SS 1-5/8 Header XForce HS-9918

Sale price$174.15 Regular price$193.50
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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:
  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: 24504063795

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Nicole
Omaha, US
★★★★★ 5
Great option for boys or girls
Size: 13 Little Kid, Color: Black, Size: 13 Little Kid, Color: Black
This is really more of a unisex option for a sandal. I have sandals that look like this, and both of my children have worn this style. I ordered these for my daughter, with the plan to pass them down to my son if they're not too worn when she outgrows them. The style is very minimalistic, so it goes with lots of outfits. All the straps are easily adjustable, so you can get a good fit. I would say the length is true to size, but the width is maybe a bit wide. Nevertheless, the adjustable straps really help them fit well. They feel really sturdy and I appreciate that the sole has cushion to it. My daughter has worn these every day since I got them out of the closet and they're holding up well.
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Reviewed in the United States on February 19, 2026
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Kylat
Draper, US
★★★★★ 5
Fast shipping
Size: 5 Big Kid, Color: Black
Good sandals, the kid just didn't want them. Fast shipping and easy returns!
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Reviewed in the United States on June 11, 2026
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Ryan
Carnegie, US
★★★★★ 5
Great shoes
Size: 6 Toddler, Color: Brown
Perfect for little ones
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Reviewed in the United States on May 28, 2026
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Mimie Hull
Louisville, US
★★★★★ 5
Great kids sandals
Size: 9 Toddler, Color: Taupe
These are cute and my kids say they’re comfortable! We got a few colors. Definitely would purchase again. They’ve got good quality.
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Reviewed in the United States on March 18, 2026
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Jenna Smeyne
Houston, US
★★★★★ 1
Super wide
Size: 13 Little Kid, Color: Taupe
They are oddly very wide. Great for kids with wide chunky feet but for us it was not cute
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Reviewed in the United States on May 18, 2026

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