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J's Racing R304 SUS 70RR EMS Included Exhaust Muffler Honda Civic EP3


J's Racing

Model #R304-P3-70RR-EMS

Shopper Award

All of our products and tuning menus are the fruit of the countless test and research on the actual race tracks and test courses. It has been our philosophy that only the products which meet or exceed the very high standard set by us are to be released to the market. We believe it is this philosophy which results in the world wide popularity of our products from the North America, Asia, Oceania, and Europe.

It is our mission to provide the products and services which make our customers happy and satisfied in any times and generations.

The J's Racing R304 70RR SUS Exhaust has evolved from J's Racing other exhaust systems for a full racing specification with large diameter and straight exhaust paths. The "Titanium Coating" is applied to the conventional stainless steel, both the appearance and durability are greatly improved.


  • Designed for use with power up engines, such as stroker kits or turbo kits with larger 70mm pipe diameter
  • High quality stainless steel 304 construction
  • Pipe wall thickness 1.2mm and the silencer 1mm. Using a flange that was made as thin as possible for minimum weight
  • Honda Civic EP3
  • Inner silencer sold separately
  • This muffler is a muffler exclusively for the competition to replace the catalytic converter
  • Because coloring of the tail is done manually, it may differ slightly from the product image.
  • If you wipe with chemicals etc., color may change.

Proposition 65

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Vehicle Engine Notes
Honda Civic

What is J’s Racing?

J’s Racing was founded in 1989 in Osaka, Japan as a tuning shop specializing in developing performance parts for Honda vehicles. Since its inception, J’s Racing has tuned hundreds of Hondas and developed and sold a wide range of performance racing products for both Honda and Acura models. Its mission was and still remains to offer products and services that make customers of any generation happy.

J’s Racing USA was established in 2011 in Signal Hill, California as a 100-percent-owned subsidiary by the J’s Corporation. It was started to promote the sales of its products and provide further customer service to the North American market.

Racing and Track Participation

Apart from tuning vehicles, J’s Racing also actively hosts track events for its customers and participates in many forms of motorsport like Time Attack and Endurance Racing worldwide. J’s Racing is perhaps most known for its participation in the Super Taikyu Racing Series in Japan every year and also for being a sponsor for several other track events. The company’s demo cars along with its customers’ cars are frequently featured in magazines in DVDs as well, further promoting the brand’s solid reputation.

Dedicated to Quality Products

When it comes to research & development, J's Racing has completed numerous quality tests at racing tracks. All J’s Racing products and tuning services are the results of these countless assessments on test courses. This has helped the company to continue improving its quality under stringent standards. J’s Racing’s uncompromising stance has been consistent since the very beginning and is likely one of the reasons why their products are so well received all around the globe.

J’s Racing is dedicated to meeting and exceeding the very high standards that it sets for itself before releasing any products to market. The company’s strict philosophy has resulted in worldwide popularity and respect from North America, Asia, Oceania, and Europe. 

J’s Racing Parts at Vivid Racing

Vivid Racing carries a wide assortment of performance products and accessories from J’s Racing for your Honda or Acura. Our inventory includes air filters, big brake kits, wheel spacers, steering wheels, complete body kits, shift knobs, aerodynamic parts, headers, mufflers, and much more! The list goes on and on, as J’s Racing has everything you need to upgrade your ride. If you have any questions regarding the items listed above or have trouble finding what you’re looking for, please call us at (480) 966-3040.

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