Japspeed
Japspeed Decat Exhaust System for Mazda MX5 MK1 NA 1.6 (89-97)
Japspeed Decat Exhaust System for Mazda MX5 MK1 NA 1.6 (89-97)
SKU: SKU: ZZ00235
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- Performance parts Specialist
- Established Since 2009
- UK Based support
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The Japspeed Stainless Steel Cat Back Exhaust System with Decat Pipe is designed to improve exhaust flow, sound and performance on Mazda MX-5 NA MK1 1.6 models from 1989 to 1997.
Replacing the restrictive factory exhaust with a larger bore, free-flowing system helps improve exhaust gas flow, allowing the engine to breathe more efficiently and deliver improved throttle response.
This system also includes a decat pipe, which replaces the original catalytic converter with a straight-through section of exhaust pipe. Removing this restriction further improves exhaust gas flow, helping increase horsepower and improve engine response.
Manufactured from high-quality T304 stainless steel, the system features a 2-inch bore with a 3-inch tailpipe, delivering a sportier exhaust note compared with the standard factory system.
TIG-welded construction and CNC-machined flanges provide strength, durability and secure fitment. The system is supplied with gaskets and bolts for installation.
Features
- Manufactured from high-quality T304 stainless steel
- 2-inch exhaust bore
- 3-inch tailpipe
- Includes decat pipe to replace the factory catalytic converter
- Free-flowing exhaust design to reduce restrictions
- Designed to improve exhaust gas flow
- Helps improve throttle response and engine performance
- Sportier exhaust note compared with the factory system
- TIG-welded construction
- CNC-machined flanges
- Durable, corrosion-resistant stainless steel construction
- Gaskets and bolts included
- Suitable for off-road and motorsport applications
Vehicle Fitment
Mazda MX-5 NA MK1 1.6 (1989–1997)
Please Note
Sold for off-road and motorsport use only.
The included decat pipe removes the factory catalytic converter. The vehicle will not pass an MOT emissions test with the decat pipe fitted.

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