Increase the performance and tone of the vehicle by upgrading to a high performance muffler. Improvingthe vehicles exhaust flow will ridthe engine of back pressure, which will increase power and performance. High performance mufflers will not only increase power but will also provide a high performance aggressive sound to the vehicle. HKS has long stood at the forefront of performance products. Their high quality performance products are made in Japan and are a favorite among custom tuners. HKS has improved upon their flagship design of the Legamax Series with the Legamax Premium. The Legamax Premium comes with the trusted Legamax muffler and a vehicle specific tip design. The fully custom tip design provides a flush appearance that is distinct for each vehicle model.

Low exhaust pressure design with full straight structure!
By adopting 75 large diameter pipe and full throttle-less straight structure, low back pressure of 50% genuine ratio is realized.
Eliminate unpleasant muffled sound with sound tuning
While leaving a sporty sound, there is no unpleasant muffled sound inside the car, and a comfortable space is reconciled.

Diameter of Tip- 75mm x 2
Diameter Center Pipe- 54-50mm
Proximity exhaust sound– Stock 86 / HKS 92

Not compatible with vehicle with MAZDA SPEED rear underskirt. (Insufficient clearance)
DBA-ND5RC 6MT vehicle(P5-VPR) with i-ELOOP+i-stop (Idling stop) made before June 2018 doesn’t comply with Japanese regulations.
5BA-ND5RC AT vehicle made after July 2018 doesn’t comply with Japanese regulations.

About HKS muffler

*1: About center pipe
Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer and tip.) It is the condition with stock suspension.

*2: Minimum road clearance between HKS muffler (Any parts included in the kit) and road surface. Therefore, it may be different from actual road clearance of the vehicle.
The data is basically the condition with stock suspension. However, please understand that some items have data with low down spring or ride height adjustable suspension kit.

Caution: Hook, bracket, stay may be changed without prior notice.

Exhaust noise level at idle.

Application: 2017-2022 Mazda MX-5 RF / 2016-2022 MX-5 (ND)