[HWYSTR455]

For a car that will see considerable track time, I think cutouts are a great solution. You can experiment with sections of pipe on the cutout for fine tuning too.

I have 2.5" the whole way on my 535 (GTO), but am considering swapping out the mid-section w 3". For what I use the car for, mostly street with maybe an occasional track run, isn't really making it a priority at the moment.

I like the twin tips in valance cutouts, think the 3" replacement ones don't look 'proportionate', and not many options for tailpipe size choices. 2.5" is what will stay.

Not really interested in cutouts myself, I can live with the loss of power, there's enough spare in my personal opinion for how I use the car. But I'm pretty sure I will go to a 3" mid section. I know it will help, and for reasons stated, not concerned with exactly how much of a difference.



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