Product Information:

ISR Performance High Flow Cat - Nissan 370Z/ Infiniti G37

ISR Performance high flow cats are custom made utilizing 300 cell spun Metallic substrate to be less restrictive than stock, Letting you gain power while still converting harmful exhaust gasses, ISR HFC are Fully TIG welded with true mandrel bends throughout. ISR Performance HFC bolt up to factory or aftermarket exhaust (as long as the aftermarket exhaust is built from OEM specs). ISR HFC also retains the factory Oxygen sensor location and also adds a more aggressive Exhaust tone.

What’s in the Box:

  • 2x Stainless Steel high flow cats
  • 2x 2 bolt exhaust gaskets 
  • 2x 3 bolt exhaust gaskets 
  • 2x o2 extension pipes

Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.

Application:

Nissan: 370z (2009-2021)

Infiniti: G37 (2008-2013)

Shipping:

We may either ship through USPS, UPS, or FedEx at our own discretion.

Products are usually shipped out Monday – Friday. Please contact us through email for assistance regarding other shipping methods.

Return policy:

When receiving your package, please open all of the boxes immediately to check if all the contents are inside and not damaged. All damaged or defective items must be reported within 2 business days from the day the packaged is delivered. If the package appears to be damaged on the outside, please refuse to accept it from the carrier; or please make sure when signing the shipper's proof-of-delivery slip, you include a note stating that the package is or appears damaged. If you do accept a damaged shipment, please inform us immediately. Depending on the product and where/how it was shipped, it may be necessary for you to deal with the carrier. 

If the product received is defective, a replacement will be sent as soon as possible. If you decide to return the defective item, rather than replace it, a restocking fee will be assessed (15-50% depending on the item) and your original shipping and processing charges will not be refunded. Also, returned products must be in its original packaging which allows us to re-sell the product. We will refuse any damaged or products that are not in good condition. 

If after 30 days of receiving your product, it proves to be defective, we would like for you to deal with the manufacturer. They will inform you on how to proceed based on their policies. 

If you are unhappy in any way, please contact us through eBay messages. We will provide you instructions on how and where to return the product.