4" Slant Roll Muffler Tip Exhaust Catback System For 09-15 370Z Z34 3.7L V6 DOHC Product_Coilover Springs Kit No modification is required

No modification is required

and the lowered center of gravity improves performance and increases stability

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

HPS 5" (127mm)

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

4" Slant Roll Muffler Tip Exhaust Catback System For 09-15 370Z Z34 3.7L V6 DOHC Product_Coilover Springs Kit No modification is requiredUpgrading 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.