Review posted
Reviewed by Semaj
3 Stars
Sound good definitely make a difference but they make the check engine light come on. Other than that great.
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Regular Price: $522.50 - Instant discount: $26.12 = $496.38
ISR Performance high flow cats are custom made utilizing 300 cell spun Metallic substrate to be less restrictive than stock, Letting you gain power while still converting harmful exhaust gasses, ISR HFC are Fully TIG welded with true mandrel bends throughout. ISR Performance HFC bolt up to factory or aftermarket exhaust (as long as the aftermarket exhaust is built from OEM specs). ISR HFC also retains the factory Oxygen sensor location and also adds a more aggressive Exhaust tone.
These HFC's are for 350Z DE engines for 07+ 350Z with HR engines please use IS-HFC-Z34 /370Z
** All ISR Performance Products are Designed for Off Road Use Only **
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Sound good definitely make a difference but they make the check engine light come on. Other than that great.
These guys sound amazing! Excellent build quality and helps get rid of that good ole trumpeting Z note. Comes with all hardware including O2 bungs, and gaskets. Shipping time was lightning quick. Dane is always the G.O.A.T. when it comes to orders!
sounds good and drives good
They fit perfectly and come with all the hardware and gaskets needed. It did help quiet the car down some because straight pipes, but would definitely recommend for a cat replacement
They’re smooth, loud and the start up sounds amazing! It’s an amazing product especially for the price, as for the install it was easy as plug and play!