4" Slant Roll Muffler Tip Exhaust Catback System For 09-15 370Z Z34 3.7L V6 DOHC Product_Coilover Springs Kit HPS 2-3/4" - 3-3/4" (70mm

HPS 2-3/4" - 3-3/4" (70mm - 95mm)

The included HPS high temp 4-ply reinforced silicone hoses with 100% stainless steel t-bolt clamps can withstand minimum 50+ psi of boost and replace the factory rubber couplers

or the cargo area volume limits such as in the typical car's trunk design

a more aggressive look

4" Slant Roll Muffler Tip Exhaust Catback System For 09-15 370Z Z34 3.7L V6 DOHC Product_Coilover Springs Kit HPS 2-3/4" - 3-3/4" (70mmUpgrading vehicle exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low restriction mufflers, and tuned resonators of a well designed performance exhaust system can make a world of difference on your vehicle. The net result is lower auto exhaust backpressure, more horsepower, more torque, and a much better sound.