I have turner test pipes waiting to be installed. I have no secondary cats (custom x pipe) and custom resonators where the oem ones were in the rear. If I put the turner test pipes on and put more resonators where the secondary cats used to be, will it be relatively quieter as opposed to running it without resonators or just keeping the rear resonators on? Here is my pic to show:
You can see where I obviously have no secondary cats. Should I put new resonators where the secondary cats used to be?
2008 (07/08) E92 M3 BPM Stage II Tuned by Mike Benvo, 6MT, Turner Test Pipes, Magnaflow Custom Catback Exhaust (Magnaflow X Pipe, secondary cat delete, Aero Resonators and Helmholtz Chambers),Vorsteiner CF Lip, Hamann Style CF rear diffuser, CF Rear Decklid Spoiler, BMW Performance Kidney Grills, CF Side Grills, OEM GTS Wheels, K&N Drop-In Filter, GP Thunder 8k Angel Eyes, Painted Reflectors.