The result of using Helmholtz resonant chambers is a quieter, deeper and smoother sound while eliminating the *rasp* and *drone* almost entirely!

Sounds as good as high flow catalysts but without the restriction of standard test pipes (TP).

ADAPTATION:

*IF YOU OWN A 07-08 350Z OR 07-08 G35SEDAN WITH HR ENGINE PLEASE CHOOSE 370Z/G37 TP*

*DOES NOT WORK WITH ANY AWD MODELS**

**ALL TORQUEN PRODUCTS ARE DESIGNED FOR OFF-ROAD USE ONLY.**