GReddy Nissan SR20DET S14/S15 Short Runner Intake Plenum for Stock Throttle Body 2015-nissan-altima-esi4647235 An X-pipe balance tube is

An X-pipe balance tube is used to equalize and evenly distribute exhaust pulses which minimizes exhaust drone and increases flow and performance

**You must re-use your factory ball joint seat when installing these arms**

304 stainless steel tubing and resonator delete pipes greatly increases flow and sound

This Dual tip blast pipe exhaust gives you all the advantages of unrestricted flow to maximum horsepower while having an aggressive exhaust tone

ISR Performance Single GT Exhaust - Nissan 350Z

GReddy Nissan SR20DET S14/S15 Short Runner Intake Plenum for Stock Throttle Body 2015-nissan-altima-esi4647235 An X-pipe balance tube isGReddy Nissan SR20DET S14 S15 Short Runner Intake Plenum for Stock Throttle Body