Skip to product information
1 of 3

Shorty Headers for Ford Mustang (1999-2004) 3.8L V6 Engine



Regular price $589.95
Sale price $589.95 Regular price
Shipping calculated at checkout.
  • Guaranteed Fitment
  • Performance Tested
  • Lifetime Warranty

Want it soon? Order within

I18n Error: Missing interpolation value "end_date" for "Ends on {{ end_date }}"

Ditch the restrictive factory log manifolds and give your New Edge V6 the deep, throaty rumble it deserves.

Performance Stainless Shorty Headers for Ford Mustang (New Edge / Essex V6)

The 1999-2004 "New Edge" Mustangs came with the reliable Essex V6, but the factory exhaust manifolds hold it back. Ford equipped these cars with heavy, restrictive cast-iron manifolds that strangle the "Split Port" engine's ability to breathe at high RPMs. Worse yet, the stock manifolds are notorious for cracking and leaking, leading to annoying exhaust ticks and failed inspections.

These shorty headers are the solution for both the standard 3.8L and the late-model 2004 3.9L engines. Since the 3.9L uses the same cylinder head architecture as the 3.8L, fitment is identical, ensuring a hassle-free upgrade regardless of which displacement you have. By replacing the rough cast iron with smooth, mandrel-bent stainless steel, you reduce backpressure significantly.

Why You Need This Upgrade

  • Better Sound Quality: Unlocks a deeper, muscle-car tone and helps eliminate the raspy "tractor" sound common with stock V6 exhausts.
  • Low-End Torque: The near-equal length tubing design scavenges exhaust gases efficiently, boosting torque between 2,000 and 5,000 RPM where you drive daily.
  • Underhood Aesthetics: Replaces rusty, ugly cast iron with polished stainless steel that looks great every time you pop the hood.
  • Stock Compatibility: Designed as a "Shorty" header, these bolt directly up to your factory or aftermarket mid-pipe (Y-pipe) without cutting.

Technical Specifications

Fitment 1999–2004 Ford Mustang
Engine Family Essex V6 (3.8L & 3.9L Split Port)
Tubing Diameter 1-5/8" Primaries / 2.5" Collector
Material Polished Stainless Steel

Installation & Fitment Notes

Installation is a direct bolt-on affair, though access on the passenger side can be tight near the starter. We recommend soaking your old manifold studs in penetrating oil 24 hours before starting the job to prevent snapped bolts. This kit includes the necessary gaskets and hardware to get the job done right.

Stop driving with a strangled exhaust system and unlock the hidden power of your Essex V6 today.

Common Questions

Which Ford Mustang V6 engines do these shorty headers fit?
These headers are engineered specifically for the 1999-2004 3.8L and 2004 3.9L Split Port Essex V6 engines.

Do these fit a 1996-1998 Mustang 3.8L V6 or a 4.6L V8 GT?
These headers are built specifically for the 1999-2004 3.8L and 3.9L Split Port Essex V6 cylinder heads and mid-pipe layout.

Will these bolt up to my factory mid-pipe?
Yes, the shorty design bolts directly to your factory or aftermarket Y-pipe without cutting.

What is included in the box?
The kit includes the polished stainless steel shorty headers along with the necessary installation gaskets and hardware.

What are the tubing specs and material?
They are constructed from mandrel-bent polished stainless steel with 1-5/8" primary tubes and 2.5" collectors.




Fitment

Make

Ford

Engine Size

  • 3.8L
  • 3.9L

Year

  • 1999
  • 2000
  • 2001
  • 2002
  • 2003
  • 2004

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Shorty Headers for Ford Mustang (1999-2004) 3.8L V6 Engine

$589.95