Originally Posted by malaysiantransporter
1.69ft is more than 14inches by my calculator...?
Haha it may have been off slightly, but it was the minimum needed. If you need to cancel out a certain frequency and it requires 12.45 inches or whatever, anything from that and longer will be successful.
I have Turner Test Pipes ordered and cannot wait for them to come in
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.