I have a Lakewood on my 340 Dart with TTi's. Don't have any issues with tubes hitting the shield. The clutch linkage with the headers is a whole other story...
Please explain because I've heard so many different stories. Some guys say their TTI's hit the scattershield, some say the Z bar & linkage hits... My car is a small block 4 spd. w/ a Lakewood shield. And I haven't installed the TTI's yet.