If you have a BORLA(r) ATAK(r) system, PN 140792, or 140792BC and want to turn down the volume a bit, replace the front resonators with this set of "S-Type" resonators. Each resonator is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409) to give you the best in performance and duarbility. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. As with all BORLA(r) products, it is covered by the famous Million Mile Warranty. Use with BORLA(r) ATAK(r) systems 140792 and 140792BC to the S-Type sound level Attributes GTIN: 00808422606943 Brand Name: Borla Construction: All Welded Grade Type: Performance Material: T-304 Stainless Steel Extended Information Country of Origin: United States Emissions : Racing or Pre-Emissions Use Only Life Cycle Status: Available To Order Packing Information Quantity of Each: 1 Package UOM: EA Dimension: 37 x 13 x 21 inches Weight: 29 lb