I’ve swapped out my exhaust system multiple times, always to something better, with this iteration being the BEST ONE YET!

A stock 370Z will make 278 WHP on a Dynojet dynamometer. This setup on my FBO 370Z made a whopping +56 WHP over stock those figures, with a faulty check O2 sensor and on 91 pump fuel. With my O2 sensor problem fixed, I’ll bet this is a 340 WHP setup all day long!

The OBX headers I had on the car were better than stock, but there will still plenty of room for growth. The same thing can be said for my Invidia catback exhaust system, as it had small 2.25” piping which is very restrictive. The better PPE headers and larger Greddy Evo GT exhaust system really let my VQ and take advantage of my other mods such as my Stillen cold air intake, DIY ported upper and lower manifolds, and Admin e-tune. THAT'S IT!

Feel free to take a look at the tools and products I’ve outlined in this video. By purchasing items below, it helps my channel operate and brings more awesome content your ways. Thank you all for your generous support!! 💙

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▶︎ Amazon US - https://amzn.to/2DUGfFs
▶︎ Amazon CA - https://amzn.to/2Go8QV2

FEATURED PRODUCTS
▶︎ PPE Engineering Race Headers - https://bit.ly/3lZEytQ
▶︎ Greddy Evolution GT Exhaust System - https://bit.ly/3m063n8

▶︎ Permatex Nickel Antiseize - https://amzn.to/2J21dqX
▶︎ High Temp Threadlocker - https://amzn.to/375JtTA
▶︎ Floor Jack - https://amzn.to/2YEzVvx
▶︎ Aluminum Jack Stands - https://amzn.to/3lmVgU4
▶︎ O2 Sensor Socket - https://amzn.to/398Uiag
▶︎ Ratcheting Wrench Set - https://amzn.to/3m0kOq3
▶︎ Socket Set 3/8” Drive - https://amzn.to/2UQMWQu
▶︎ Torque Wrench 3/8” Drive - https://amzn.to/3pCN0S0

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///// TORQUE SPECIFICATIONS \\\\\
Description [Head size] (Quantity) - Torque Spec

O2 Sensor to Manifold [O2 Socket] (4) - 37 ft-lb with anti-seize
Cylinder-Head-Studs to Cylinder-Head [E8] (12) - 11 ft-lb with High Temp Loctite
Manifold to Cylinder-Head-Stud Nuts (14mm) (12) - 22 ft-lb
Steering Column U-Joint Bolt (12mm) (1) - 20 ft-lb


I truly hope you guys enjoyed this video! If you have, help me out by liking the video and stay staying up to date with my ▼
🎥 YouTube Channel - http://bit.ly/2YBd5nf
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If you have any additional questions, feel free to send me an email at [email protected]. Be sure to tag me on instagram @milmast with your projects. Thank you so much for watching!! 💙


Video Chapters
(0:00) Introduction
(0:38) Overview
(0:54) Exhaust Manifolds Compared
(3:39) PPE Header Install
(5:36) First Startup & Revs
(6:22) Driving Impressions
(8:28) WHP Comparison
(9:53) Additional Notes
(10:29) Outro