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.








