Supersprint has designed the perfect exhaust for the Nissan 370Z Nismo, with Oversize diameter, dual piping.
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https://www.supersprint.com/ww-en/sport-exhaust-supersprint-nissan-370z-nismo-coupe.aspx
The Step diameter, long primary headers guarantee a huge improvement in terms of exhaust gas flow.
The HJS Motorsport, twin catalytics let the backpressure to drop down to its ideal level, as opposed to the overly restrictive stock cat system.
Complementig the headers, we have designed a true, free-flowing mid and rear silencer section, for a nice V6 throaty sound, yet without any raspy note, nor any droning in the low rpm range.
The overall increase in torque and peak hp of the Supersprint full system are momumental.
When driving the car, the difference in performance are night and day,
The Supersprint exhaust fits so perfect, it seems as a natural on the 370Z.
It is the exhaust system which every 370Z Nismo should have come equipped with, from the Nissan Factory.