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do88 Y-Pipe Porsche 991.1 Turbo / Turbo S (2013-2015)

SKU: DOBTR-200SV-OEM-1
Price
$870.07

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Installation Services

Don’t worry about the hassle — let our expert team at Forza Motorworks handle the installation for you. Our professional installation ensures everything fits and operates exactly as intended, giving you clean, factory-quality results, proper wiring or mounting, and avoiding the risks of DIY mistakes. You’ll save time, avoid frustration, and get peace of mind knowing the job is done right the first time. Contact us to learn about our installation services and enjoy a seamless upgrade from day one.

FAQ

Shipping Information
For items that are in stock, purchases made after 9am EST will be usually be shipped out in the next 1-2 business days. Please inquire to confirm lead times if you have specific time constraints. Orders will be sent via signature required at our discretion unless otherwise requested.

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Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused and in its original packaging. All returns are subject to a restocking fee based on item and package condition. Buyer is responsible for paying for return shipping costs. If you need a return label, we will email you a return label and deduct cost from refund. Original shipping costs are not refundable. Special order items are not eligible for return.

Cancellation Policy
In order to cancel your order you must email within 24 hours of placing your order or before your order has shipped, whichever occurs first. Special order items are not eligible for cancelation.

Exchange Policy
We have a 30-day exchange policy, which means you have 30 days after receiving your item to request an exchange. To be eligible for an exchange, your item must be brand new in box. Buyer is responsible for paying all shipping costs to exchange product.

Product Description

The do88 Y-Pipe is a critical airflow upgrade for the Porsche 991.1 Turbo and Turbo S, engineered to replace the restrictive factory plastic Y-pipe with a high-flow, precision-built aluminum design. By significantly increasing internal diameter and improving flow geometry, this system reduces pressure drop between the intercoolers and throttle body—allowing the turbochargers to operate more efficiently under load.

Compared to OEM, the do88 Y-pipe increases airflow capacity by up to 58%, helping support higher boost levels, improved throttle response, and more consistent power delivery during repeated acceleration. The smooth cast collector section and mandrel-bent aluminum piping eliminate turbulence and restriction points commonly found in the factory design. For tuned 991.1 builds, this is one of the foundational “breathing mods” that directly supports intercooler and turbo efficiency upgrades.

Fitment Notes

  • Fits Porsche 991.1 Turbo and Turbo S (2013–2015)
  • Engine: 3.8L twin-turbo flat-six (MA1/9A1-based architecture)
  • Direct replacement for OEM Y-pipe assembly
  • Compatible with factory intercoolers or aftermarket intercooler systems (including do88 BigPack)
  • Designed for stock and high-boost tuned applications
  • May require minor adaptation depending on intake/intercooler configuration

Included

  • High-flow aluminum Y-pipe assembly
  • Cast aluminum collector section
  • Silicone couplers and adapters
  • Hose clamps and installation hardware
  • Methanol injection bungs with sealing plugs

Product Specs

  • Flow Increase: up to +58% over OEM Y-pipe
  • Pipe Diameter: 63mm (2.5”) mandrel-bent aluminum construction 
  • Material: Lightweight aluminum alloy tubing with cast collector section
  • Design: Smooth internal surface for reduced turbulence and pressure drop
  • Injection Ports: Dual 1/8”-27 NPT methanol injection bungs (plugged if unused)
  • Construction: CNC-machined BOV and breather hose connections welded to cast section
  • Finish: Powder-coated for corrosion resistance and durability

Product Features

  • Increases airflow capacity by up to 58% vs OEM restrictive Y-pipe
  • Improves throttle response and boost efficiency under load
  • Smooth-flow cast collector eliminates factory turbulence points
  • Supports higher horsepower applications and tuned setups
  • Compatible with OEM or aftermarket intercooler systems
  • Integrated methanol injection ports for advanced performance builds
View Product Install Guide