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Originally Posted by XfireZ51
Bob,
How does the ZR-1 system differ from an LT-4? In fact the system we took off my car was an LT-4 system. The MF is built to replace an LT-4 system. I'll be finding out more shortly.
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it is my understanding that the resonatordoesnot neck down to 21/4 in like the zr1 doesalso there is a small balance tube just past the rearend