Exhaust Mazda MX-5 (1989-1998)

Most Mazda MX-5 exhaust systems are cat-back types, which start from the catalytic converter and extend to the rear of the vehicle. They are predominantly made from premium T304 stainless steel with a typical pipe diameter of 63.5 mm (2.5"). This design helps optimize exhaust flow and improves the vehicle's performance and sound profile.

Aftermarket exhaust systems for Mazda MX-5 can provide performance gains such as increased torque and power, especially in the low to mid-range RPMs. For example, some cat-back systems have been tested to increase torque by up to +7.4 lb-ft. These gains result from reduced backpressure and optimized exhaust gas flow.

Aftermarket exhaust systems typically produce a sportier, more aggressive sound without overwhelming cabin noise. The sound is often described as a dynamic, raspy tone that emerges around 1500-2200 rpm and maintains an engaging quality at higher revs. Some systems, such as dual-exit cat-backs, can deliver cabin noise levels around 88 dB, providing an exhilarating driving experience.

• Rough and sporty tone
• Dynamic sound across the RPM range
• Balanced noise levels inside the cabin

This enhances the driving enjoyment without compromising comfort.

Yes, these exhaust systems are designed to work perfectly in harmony with the stock catalytic converter. The cat-back design starts downstream of the catalytic converter, ensuring emissions compliance and avoiding issues related to modification of the catalytic converter itself.

• Maintains emissions compliance when stock catalytic converter is retained
• Allows for reduced backpressure
• Optimized flow dynamics for performance gains

This approach is ideal for drivers who want to upgrade sound and performance without affecting emissions legality.

Most Mazda MX-5 aftermarket exhausts are designed for plug & play installation, making them relatively straightforward to fit. Installation typically takes about 15-30 minutes. These systems usually include necessary gaskets and sometimes bolts or fixings, although users may need to reuse original hardware in some cases.

• Plug & play design for easy installation
• Gaskets provided, bolts sometimes included
• Minimal modifications required

Following the manufacturer's instructions will ensure a smooth installation experience.

Exhaust systems for the Mazda MX-5 are commonly constructed of high-quality T304 stainless steel, known for its durability and resistance to corrosion. These pipes are mandrel bent to maintain a smooth internal surface for optimal exhaust flow. Additionally, TIG welding is often used to ensure strong, precise joints.

• T304 stainless steel for corrosion resistance
• Mandrel bent pipes for optimized flow
• TIG welded seams for strength and durability

These premium materials contribute to both the longevity and enhanced performance of the exhaust system.

Some aftermarket exhausts come with CE or other European approvals, which can be important depending on local laws and regulations regarding vehicle modifications. However, many cat-back systems do not carry official TÜV or CE certification but are generally compliant with MOT (vehicle inspection) regulations, especially when the stock catalytic converter remains unmodified.

• Check for CE or TÜV certification if required by law
• MOT compatibility common when catalytic converter is unchanged
• Legal sound levels often maintained under local limits (e.g., under 92 dB)

It is important to verify local regulations to ensure compliance when upgrading your exhaust system.

Enthusiast forums and communities are excellent sources for genuine user feedback and detailed sound comparisons. Popular platforms include:

• MX5.fr
• Miata.net
• Planete-MX5.com

These communities provide extensive discussions, video sound tests, and installation tips, helping you make an informed decision based on real-world experiences.

Additionally, many online retailers feature customer reviews that highlight the quality and sound characteristics of various exhaust options.