Just go ahead and get an aftermarket header (if legal where you are) just for peace of mind. The engine sucking in some of the precat is too big of a problem on the QR25.
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2005 Nissan Altima 2.5s
Mods: Custom SRI, SRS header, Vogtland Springs, Drilled/Slotted Rotors + Ceramic pads, Blue LEDs, Racingline Front Endlinks, Skar VVX-12s, Audiopipe 1500w, Hifonics 6.5" Components, More Soon..
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