Your Satisfaction is our ultimate goal here at CPD if you are a PREVIOUS DOWNPIPE Customer either CT4-V or ATS-V and are experiencing RASP around 2k rpm we have added in this V2 Resonator as a Revision to remedy this issue.
Simply Select the Modification you would like . You have the option to add either the V2 resonators +$249.99 or the Crossover H Pipe +$129.99 or BOTH for $299.99.
With this service send us your V1 downpipes and we will modify your set and send back . Average Lead time is around 2 - 3 weeks max .