Flowmaster High-Performance Catted Y-Pipe (99-04 V6)

Flowmaster High-Performance Catted Y-Pipe (99-04 V6)
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OUR PRICE$528.50
Flowmaster Mustang Exhaust Kits
Item # 18464
Market Price $584.99You Save 10% ($56.49)
Ships the same business day

Product Features

  • Improves exhaust flow and sound
  • Classic muscle car rumble
  • 2-1/4" mandrel bent stainless steel tubing
  • High flow catalytic converters included
  • 49 state emissions legal
  • For use with stock manifolds or shorty aftermarket headers
  • Fits 1999-2004 V6 Mustangs
Regain Lost Power. Replace those clogged or blown-out stock factory catalytic converters with high performance Flowmaster replacements to regain lost horsepower and torque.

Muscle Car Rumble. This free flowing Flowmaster mid-pipe will not only improve performance, but it will also add a deep muscle car rumble to the sound of your exhaust with its classic "Y" crossover pipe design.

Quality Construction. Constructed in the USA from durable 2.25" 16 gauge 409 stainless steel tubing for it's corrosion resistant properties this Flowmaster Y-Pipe features four high flow catalytic converters, two main cats and two pre-cats. The included catalytic converters feature a durable ceramic substrate material making them perfect for naturally aspirated applications.

49 State Legal. The included catalytic converters meet or exceed USEPA standards and are 49 state emissions legal. They are not legal for use in the state of California.

Application. This Flowmaster High Performance Catted Y-Pipe is designed to be a direct bolt-on replacement for the 1999-2004 3.8L or 3.9L V6 Mustangs with either aftermarket shorty headers or the stock factory manifolds installed.
Mid Pipe Specifications
Style Mid Pipe: "Y" Type Headers Required: Shorty or stock manifolds
Piping Material: Stainless Steel Piping Size: 2.25"
Catalytic Converter: "Yes" Fitment: 1999-2004 V6 Mustangs

Installation Time:

(approx) 2 Hours

Difficulty Level:

Advanced mechanical skills required.

What's in the box?

  • (1) Catted Y-pipe
  • (2) clamps

What's in the box?

  • (1) Catted Y-pipe
  • (2) clamps
  • V6 99, 00, 01, 02, 03, 04

About Flowmaster

Flowmaster Mustang Exhaust Kits
Flowmaster, Inc. is a specialty performance aftermarket exhaust parts manufacturer. It was founded in 1983 by Ray Flugger. Originally created to minimize California Sprint Car engine noise without sacrificing performance, Flowmaster has grown to be one of the top performance manufacturers of performance exhaust systems, mufflers, racing mufflers, stainless steel mufflers, and exhaust accessories. Designed and developed for street & strip cars, muscle cars, trucks, diesel trucks, SUV's, motorhomes, ATVs and most everyday vehicles. The company is based out of Santa Rosa, California, Sacramento, California and Hayden, Idaho. Flowmaster performance exhaust products are 100% American Made for the World of Performance.