Exhaust Y Pipe

  • Patented Scavenger Series design uses Pulse Technology and D-Shaped ports to scavenge exhaust for a broader, stronger torque curve
  • Dual 3.00-inch weld-on inlets merge into a single 4.00-inch weld-on outlet for efficient flow
  • Durable 16-gauge construction rated as a High Performance automotive item
  • Weld-on connections give fabricators full control for a clean, leak-free custom install
  • Backed by Flowmaster’s Three Year limited warranty in non-race applications

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$117.79

Out of stock
SKU Y300400

Description

Overview

The Flowmaster Exhaust Y Pipe is a high-performance Y-collector engineered to merge two exhaust streams into a single, larger outlet with maximum efficiency. Part of Flowmaster’s patented Scavenger Series, this y pipe exhaust component is built around the principle of Pulse Technology, using large D-Shaped ports in the collector to create a broad surface area that helps pull exhaust pulses from opposing connected cylinders. The result is a cleaner burn for incoming fuel and air, delivering an increased and broader torque curve that puts more usable power throughout the rpm range.

Why the Scavenger Series Design Matters

Unlike a basic collector, this y pipe for exhaust is purpose-built to enhance scavenging. As one cylinder bank’s exhaust pulse passes the D-Shaped port, it helps evacuate the opposing bank, reducing back pressure and improving cylinder filling. That translates directly into a stronger mid-range and a wider power band. With a 3.00-inch main piping and inlet diameter feeding a larger 4.00-inch outlet, the design supports strong flow as spent gases exit the system. If you’re comparing an exhaust x pipe versus a y pipe muffler setup, this 3 inch y pipe offers a proven, patented approach to pulse tuning.

Build & Construction

This Y Pipe is fabricated from durable 16-gauge material for lasting strength in demanding exhaust environments. Both weld-on inlets and the weld-on outlet allow for a clean, permanent, custom installation, making it ideal for builders fabricating or upgrading a performance exhaust system. Rated as a High Performance automotive item grade, it’s designed to hold up to real-world use while helping your engine breathe.

  • Patented Flowmaster Scavenger Series Y-Collector built on Pulse Technology
  • Large D-Shaped collector ports for effective exhaust scavenging
  • Dual 3.00-inch weld-on inlets merging to a single 4.00-inch weld-on outlet
  • 3.00-inch main piping diameter and 3.00-inch tube diameter
  • Durable 16-gauge material construction
  • Body length of 17.50 inches for flexible fabrication and routing
  • High Performance grade with Emission Code 5

Fitment & Installation

With two weld-on inlets and one weld-on outlet, this y pipe integrates into a custom-built or upgraded exhaust path. The weld-on connection type gives fabricators full control over positioning and alignment, ensuring a tight, leak-free junction. Confirm your existing piping matches the 3.00-inch inlet and 4.00-inch outlet dimensions before installation.

Warranty

Flowmaster backs this Y-Pipe with a Three Year limited warranty in non-race applications, giving you added confidence in the design and construction. Whether you’re chasing a broader torque curve or simply want a smarter collector than a plain exhaust x pipe, this Scavenger Series Y Pipe delivers proven pulse-tuned performance for your build.

Specification

Brand

MPN

Y300400

Prop 65 Warning

No

Universal

No

Body Length

Sub Category

Emission Code

Tube Diameter

3.00

Inlet Diameter

Inlet Quantity

Material

16

Outlet Diameter

4.00

Outlet Quantity

1

Main Piping Diameter

3.00

Automotive Item Grade

Inlet Connection Type

Outlet Connection Type