Quote:
Originally Posted by dostoyevsky
Ive personally found that UEL headers with HKS lega max is the perfect balance between loud and quiet
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Ive tried different setups (4 now) and that was my favorite, with HKS dual resonated FP.
Im on ACE 350 headers, Hooker Catted/ Helmholtz resonated FP, Borla Catback. I wanted 2.5" piping all the way through and I got a bit lighter.
However I prefer the sound with the HKS Legamax premium the best I regret selling it.
I still find it hard to believe there isn't a bottleneck when using the stock FP with the ACE 350 headers. The Ace headers end in a 2.5" opening, the Stock FP is ~2", That's a huge restriction
Almost all aftermarket FP's taper down to the stock FP diameter size at the back end so after the FP its doesn't really matter as much the diameter of the Catback.
In conclusion I would go with a FP with a high flow cat and Diameter piping that matches up with your headers. The catback size doesn't seem to matter after that. Its what do you want in sound/weight at that point.