Do kerf ports perform better than standard slot ports?

Do kerf ports perform better than standard slot ports?
REFS double 07, toxicity, liftednali, jes42, pieper88, mylows10, taylorfade, homegrown, vertex audio, gameovercca, radwilsons5803, juice+, thatguy12
99' jetta
Hu- eclipse cd8455
Front- ia 6.5 comps
Rear- stock
Front amp- RF punch 301s
Sub- sundown sa 8v2
Amp- AT 800.1
Box- .75 cu 32 hz

Dtrom thanked for this post
headunit : Sony xab-601bt
fronts: infinity kappa 60.9's
subs:
box : ORIGINAL STARR MOUNTAIN SOUND NUTHUGGER
sub amp:
others: Mechman 240amp alt (for sale)
REFS: Bradfordp2612 , Double 07 , NASTY08IMPALA
headunit : Sony xab-601bt
fronts: infinity kappa 60.9's
subs:
box : ORIGINAL STARR MOUNTAIN SOUND NUTHUGGER
sub amp:
others: Mechman 240amp alt (for sale)
REFS: Bradfordp2612 , Double 07 , NASTY08IMPALA

Yes they look awesome! Can't wait til my box. One more month!
REFS double 07, toxicity, liftednali, jes42, pieper88, mylows10, taylorfade, homegrown, vertex audio, gameovercca, radwilsons5803, juice+, thatguy12
99' jetta
Hu- eclipse cd8455
Front- ia 6.5 comps
Rear- stock
Front amp- RF punch 301s
Sub- sundown sa 8v2
Amp- AT 800.1
Box- .75 cu 32 hz

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