Bolt in 17-20 RWHP and RWTQ at a new lower price! This set of bolt-on, Stainless Steel, metallic substrate, super high flow cats replace the 4 restrictive, stock cats to unleash more power, better sound and lower interior temperatures!
Other cat assemblies on the market DO NOT include the stainless steel flex tubing that our assemblies have. The factory cat assemblies incorporate similar flex tubing so when the engine moves it will not cause stress cracks and fractures to the exhaust system. Features include 3” stainless steel tubing, stainless steel flex tubing couplers, 200 cell per inch super high flow metallic substrates, seamless cat bodies that will not open under stress and easy bolt-in installation utilizes the factory rubber mounts.
Choose an "outlet tubing size" when ordering. For the Gen 3 and 4 Vipers, there are a few options to choose from:
stock exhaust, 03-06 Gen 3 = 2.5" standard length reducer
aftermarket exhaust, 03-06 Gen 3 = 2.5" standard reducer OR 3" inlet (inlet size varies by system)
stock exhaust, 08-10 Gen 4 = 2.5" long length reducer
aftermarket exhaust, 08-10 Gen 4 = 2.5" long reducer OR 3" inlet (inlet size varies by system)
If your exhaust inlet is 2.5", regardless of whether it is stock or aftermarket, choose reducer by appropriate year range ( 03-06 or 08-10).
If you have an aftermarket exhaust with a 3" inlet, regardless of year range, choose 3" Diameter
If you have any questions, just give us a call and we will help.
Note: Not certified for use in California. Will pass emissions OBD2 and general emissions test, but do not carry a California EO number for non-stock replacement.