1320 Performance Patented Ultra Quiet quarter wavelength Resonators have become the preferred choice of exhaust fabrication professionals looking to effectively reduce exhaust noise and drone from their performance exhaust setup Our QW design have been proven to reduce 18-22% more drone than standard none QW design. Each Quarter Wavelength resonator features straight through design to reduce back pressure. Our resonator are densely packed with our premium multi-layered sound absorption materials & PREMIUM 304 Stainless Steel construction, polished to a beautiful mirror finish.

• SHIPPING: All orders are shipped out in 1 business day also including a tracking number.

  Shipment going to PO BOX. Alaska Hawaii, PR, Guam, US Virgin islands cost extra. Please e-mail us for the actual amount. Info@1320performance.com 

  International shipping cost extra Please e-mail us for the actual amount. Due to some buyer location might be only be able to accept bank wire transfer please contact us first.  Info@1320performance.com 

  WARRANTY: Unless otherwise stated in the listing, we will guarantee the product from free of defect for one full year (12 months) from the date of purchase. The warranty does not cover abuse or damages caused by road hazard or improper installation. Any modification to the product will void the warranty. When a warranty claim occurs, we will choose to repair, exchange or refund the payment at our discretion. Used items and Blemish version items are sold in AS-IS condition with no warranty.

   

  RETURN: In the case of returning or exchanging the product, you must email us first to obtain a returned merchandise authorization (RMA) number. Customer will be responsible for paying all shipping & associated costs for sending the product back to us. The shipping that we initially charge is not refundable. All returns are subject up to a 25% restocking fee and the returned product must be in unused, original condition. We will not take any returns or exchanges after 2 weeks from the date of sale; reserve the right to reject any return or exchanges.