Stainless Works 79-93 Ford Mustang Headers -1-7/8 in. Primaries Trick Flow HP Twisted Wedge (part # FOXTW188C), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
1979–93 Mustang Foxbody
Long Tube Headers
3.5" Collector
Made in USA
Overview
Unleash the full potential of your 1979–93 Foxbody Mustang with a premium long tube header system from Stainless Works. Choose between 1-7/8" or 2" primary tubes with 3.5" merge collectors and high-flow catalytic converters for maximum power and torque.
This system is engineered for serious performance builds, with multiple head styles available to match your specific cylinder head configuration. Whether you're running a Coyote swap or a traditional small-block Ford, we have an option that fits.
Built from corrosion-resistant 304 stainless steel with 3/8" thick flanges and fully TIG welded for strength and beauty, this header kit is designed to deliver lasting performance on the street or track.
Why Stainless Works
- American-made from raw material to finished product
- TIG welded by skilled craftsmen for strength and beauty
- Lifetime warranty on material and craftsmanship
- Direct bolt-on fit for 1979–93 Foxbody Mustang
- Designed for use with TH400 auto transmission and UPR/AJE K-members
Key Features
1-7/8" or 2" Primary Tubes
Choose the primary size that best matches your build.
3.5" Merge Collectors
Integrated merge spikes improve exhaust scavenging and performance.
High-Flow Catalytic Converters
EPA compliance with improved flow for maximum power.
Multiple Head Styles Available
Coyote, SB Dart 210/225, Trick Flow HP, Twisted Wedge, and Twisted Wedge R.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
1979–93 Mustang Foxbody |
| Primary Tube Size |
1-7/8" or 2" |
| Collector Size |
3.5" Merge Collector |
| Catalytic Converters |
EPA Compliant High-Flow (x2) |
| Transmission Compatibility |
TH400 (and smaller) |
| K-Member Compatibility |
UPR or AJE (Does NOT work with QA1) |
| Steering |
Flaming River Rack & Pinion with stock steering shaft (Coyote) |
| Flange Thickness |
3/8" |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
Lifetime |
| Origin |
Made in USA |
See It In Action
Sound Comparison and Features — 1979–93 Mustang Foxbody Long Tube Header System
What's In The Box
- Driver & Passenger Side Headers
- Catalytic Converters x2
- Bolt Kit — 16 Pieces
- RTV Tube
Fitment Information
This header system is available in five different head configurations to match your specific cylinder head. Each option is designed for use with TH400 automatic transmission and UPR or AJE K‑members (QA1 not supported). All configurations are available with 1-7/8" or 2" primary tubes.
Coyote
Designed for Coyote swaps with UPR Fox Body K‑member, Flaming River rack & pinion with stock steering shaft, TH400 or smaller transmission, Stiffler crossmember, and OEM starter/alternator.
SB Dart 210/225
For cylinder heads with a 3" wide horizontal in‑line bolt pattern. Fits 9.5" tall deck heads: Dart and World 210/225, Canfield and Avenger, AFR 225, Z304, Pro Topline.
SB Trick Flow HP
For heads with 2‑o'clock, 8‑o'clock bolt pattern. Fits 9.5" tall deck: Trick Flow "HP" Street Heat, Brodix Track 1.
SB Twisted Wedge
For heads with 2‑o'clock, 8‑o'clock bolt pattern. Fits 9.5" tall deck: Edelbrock Victor Jr., AFR 165/185, Trickflow, Twisted Wedge, SVO/GT40, Brodix St., Dart 170/195.
SB Twisted Wedge R
For heads with 2‑o'clock, 8‑o'clock bolt pattern. Fits 9.5" tall deck: Brodix Track 1 X, SVO 351 "N", Trick Flow TWR, Victor II.
Frequently Asked Questions
Will these headers fit my 1979–93 Foxbody Mustang?
Yes. These long tube headers are designed specifically for the 1979–1993 Foxbody Mustang and are available in multiple head configurations to match your specific cylinder head.
What primary tube sizes are available?
You can choose between 1-7/8" or 2" primary tubes, both with 3.5" merge collectors and high-flow catalytic converters.
Will these work with a QA1 K‑member?
No. These headers are designed to work with UPR or AJE K‑members and crossmembers. QA1 K‑members are not compatible with this system.
What warranty is included?
Stainless Works provides a lifetime warranty on material and craftsmanship — covering the full life of the product, not just a limited term.
Questions? Call us at | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
This Listing
- Brand: Stainless Works
- Part number: FOXTW188C
- Product type: Headers
- Fitment: 79-93 Ford Mustang
- Configuration: SB Twisted Wedge, 1-7/8"
- EPA status: Testing
- Shipping weight: 48 lb
California Prop 65 warning applies to this product.
Emissions note: headers, downpipes and catless/high-flow pipes may not be legal for street use in all states. Check your local emissions laws before installing.
Fitment note: Stainless Works systems are application-specific (year, cab/bed, transmission and factory exhaust). Send us your VIN before ordering and we will confirm fitment: 954-507-6261 or sales@americanmuscleperformance.net.
