SKU: 11837078872

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: 11837078872

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Carol Crawford
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★★★★★ 5
Not chew proof but great for stimulating your dog!
Size: Large, Color: Octopus - Multi Color, Size: Large, Color: Octopus - Multi Color
8 legs gone in one night! Haha to be expected because my dog is a heavy chewer. Like other costumers we are left with a blue ball which she still plays with. It’s a great toy for days that my dog really needs to get energy out. She was so tired after, she was panting like she ran for miles. I suggest combining physical exercise with things like purposeful chewing or licking toys to tired them out. Doing this has reduced my dog’s anxiety tremendously over the years therefore reducing destruction of our furniture 😅 a tired pup is a happy pup!
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Reviewed in the United States on June 11, 2026
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Bullhead
Lexington, US
★★★★★ 3
It’s not for a big dog with large teeth
Size: Large, Color: Rabbit
The dogs Already chew its nose off Didn’t last 2 days. We are trying to sew it up. It will probably end up in the trash Thought this bunny is very cute. I’d only buy it for children to play with it. Or maybe a tiny dog.
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Reviewed in the United States on May 18, 2026
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Debbie Cox
Boise, US
★★★★★ 1
Not durable at all
Size: Medium
Come apart easily . Very dangerous for pets.
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Reviewed in the United States on February 6, 2026
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Hope LV
Boise, US
★★★★★ 5
Perfectly Fun!
Size: Medium
My girl LOVES this! I don’t know what it is…. She’s a Frenchie so maybe it’s easier for her to grip. I bought it because she loves the light up ball; but now she will only play fetch with this one. 😂
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Reviewed in the United States on June 17, 2025
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Judy
Pawtucket, US
★★★★★ 1
Not for heavy chewers!
Size: Medium
If you have a heavy chewer, do not buy. Mine tore it up in a matter of 20 mins. Literally in pieces.
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Reviewed in the United States on June 13, 2025

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