Y Pipes
From Nissan 350Z & 370Z Wiki
On this page you will find all of the available 350z y-pipes. We have tried to outline the appropriate specs such as material, diameters, and prices to make the selection process easier for you. There are different approaches to y-pipe design and the pictures below show how they vary in shape and structure. If you see any information that is incorrect or missing, please let us know or you can login and fix it yourself.
Notes
It is important to match pipe diameter of various exhaust components. A 3" y-pipe section dumping into a 2.5" rear exhaust section may cause undesirable sound (raspiness) and loss of power. However a 2.5" section dumping into a 3" section is OK. Some people have complained about this sound when installing some of the Y-Pipes with the stock exhaust.
Of course there are the ever more popular ebay y-pipes. We will leave these pieces off of this site as they are not viewed by us as "performance" parts by any measure. If you choose to buy knock off exhaust components, expect poor results.
OEM Y Pipe Overview
Weight: 16lbs
After the Catalytic Converters a Y Pipe is used to merge the two exhaust streams into one before it enters the Mid Pipe. The OEM Y Pipe is made from mild steel and is very restrictive. It consists of a standard aluminum heat shield and braided flex pipe fittings on each side of the Y Pipe to absorb vibration and flex in the exhaust system caused by engine torque and suspension movemnt.
Installation and removal of the OEM Y Pipe is rather simple. It can be done in a matter of minutes.
There are plenty of aftermarket Y Pipes to choose from if you simply want to change out this heavy, restrictive component of the exhaust. Take care to match exhaust components or your modifications can actually decrease performance.
Many exhaust systems include a Y Pipe or some other piece to replace the OEM Y Pipe. Additionally, the single turbo kits come with a downpipe that replaces the entire Y Pipe assembly.
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Quick Pricing | ||
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$200-$300 |
Gruppe-S, Megan Racing, Stillen, Unlimited Tuning | |
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$300-$400 |
Japtrix, Tanabe | |
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$400-$500 |
5Zigen, AAM, Fujitsubo, HKS, JIC, Ultimate Racing | |
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>$500 |
Top Secret | |
The Y Pipes
When it comes to selection, there is no shortage for the 350Z Y Pipes. These are the currently available Y Pipes, however we have not included "knock-off" or ebay brands as
5Zigen Y Pipe
Exit Diameter: 70mm (2.75") Material: stainless steel Manufacturer: 5Zigen Notes: 
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AAM Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Altered Atmosphere Notes: mandrel bends, flex joints  
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Fujitsubo Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Fujitsubo Notes: design to mate with Fujitsubo exhaust systems
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Gruppe S Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Gruppe-S Notes: gaskets and hardware included (same as Unlimited Tuning), most likely sold under several brands, sourced from Taiwan
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HKS Y Pipe
Exit Diameter: 62mm (2.44") Material: stainless steel Manufacturer: HKS Notes: designed for lega-max exhaust
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Japtrix Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Japtrix Notes: You can purchase their Y-Pipe, or a Y-Pipe / Mid-Pipe combo
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JIC Y Pipe
Exit Diameter: 80mm (3.15") Material: stainless steel Manufacturer: JIC Notes: 
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Kinetix Y Pipe
Exit Diameter: 63mm (2.50") Material: stainless steel Manufacturer: Kinetix Notes: 2 flex sections, structural cross brace, possibly discontinued: no longer listed on their website
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Megan Racing Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Megan Racing Notes: two High-Flow flex pipes 
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Pros Engineering Y Pipe
Exit Diameter: 76.3mm (3.0") Material: stainless steel Manufacturer: Pros Engineering
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Stillen Silver Series Y Pipe
Exit Diameter: 76mm (3.0") Manufacturer: Stillen Notes: stuctural crossbrace
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Tanabe Y Pipe
Exit Diameter: 70mm (2.75") Material: stainless steel Manufacturer: Tanabe Notes: structural cross brace
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Top Secret Titanium Y Pipe
Exit Diameter: 80mm (3.15") Material: Titanium Manufacturer: Top Secret Notes: no flex sections, very lightweight, 2lbs
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Ultimate Racine Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Ultimate Racing Notes: Double-Braided Stainless Steel Flex Sections
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Unlimited Tuning Y Pipe
Exit Diameter: 76mm (3.0") Material: stainless steel Manufacturer: Unlimited Tuning Notes: dual flex sections, 12.7lbs, same as Gruppe-S, most likely sold under several brands, sourced from Taiwan
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This page is part of the Exhaust category. To learn more about related items click the links below. Components: Exhaust Systems (Dual Tip only) • Exhaust Systems (Single Pipe) • Exhaust Systems (True Dual) • Exhaust Systems (need categorized) • Headers • High Flow Catalytic Converters • Test Pipes FAQs: Catalytic Converters (FAQ) • Exhaust (FAQ) • Exhaust system overview • Headers (FAQ) • Test Pipes (FAQ) • Y Pipe (FAQ) Tutorials: Exhaust System Installation (Borla) • Exhaust System Installation (Invidia G200) • Header Installation • Making custom O2 simulators • Stop CEL With Test Pipes |
Categories: 5Zigen | Altered Atmosphere | Fujitsubo | Gruppe-S | HKS | Japtrix | JIC | Kinetix | Megan Racing | Pros Engineering | Stillen | Tanabe | Top Secret | Ultimate Racing | Unlimited Tuning | Exhaust | Parts