Stainless Works 90-92 Chevrolet Corvette ZR1 Long Tube Header Kit w/ High Flow Cats (part # ZR19092CAT), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
1990–92 Corvette ZR1
Long Tube Headers
2-1/2" Collector
Made in USA
Overview
Unlock the full potential of your 1990–92 Chevy ZR1 Corvette with premium long tube headers from Stainless Works. These headers feature 2" primary tubes, a 3/8" thick flange to prevent warping, and a 2-1/2" slip joint collector.
Factory Connect system includes 3" ball socket and 3" clamps. Performance Connect systems will connect only to Stainless Works exhaust systems. These headers make awesome power and are dyno proven to make over 30 RWHP more than factory manifolds.
Built from corrosion-resistant 304 stainless steel and fully TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio — engineered for long-term performance.
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 1990–92 Corvette ZR1
- Available in Factory Connect or Performance Connect
Key Features
2" Primary Tubes
Large diameter for maximum airflow and top-end power.
3/8" Thick Flanges
Precision-machined to prevent warping and ensure a leak-free seal.
2-1/2" Slip Joint Collector
Improved exhaust scavenging for maximum horsepower and torque.
Dyno-Proven Performance
30+ RWHP gains over factory manifolds.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
1990–92 Chevrolet Corvette ZR1 — 5.7L LT5 |
| System Type |
Long Tube Header Kit |
| Primary Tube Size |
2" |
| Flange Thickness |
3/8" |
| Collector Size |
2-1/2" Slip Joint |
| Connection Options |
Factory Connect (3" Ball Socket & 3" Clamps) — or — Performance Connect (Stainless Works Exhaust Only) |
| Horsepower Gains |
30+ RWHP Over Factory Manifolds |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
Lifetime |
| Origin |
Made in USA — Streetsboro, Ohio |
Fitment Information
ℹ️ SYSTEM OVERVIEW
This header system features 2" primary tubes with 3/8" thick flanges and a 2-1/2" slip joint collector. Factory Connect includes 3" ball socket and 3" clamps. Performance Connect connects only to Stainless Works exhaust systems.
ℹ️ PERFORMANCE NOTE
These headers are dyno proven to make over 30 RWHP more than factory manifolds.
This header system fits the 1990–1992 Chevrolet Corvette ZR1 5.7L LT5 in the following configurations:
Vehicle Application
✓ 1990–92 Corvette ZR1
✓ 5.7L LT5 Engine
✓ Coupe Models
Connection Options
✓ Factory Connect — 3" Ball Socket & 3" Clamps
✓ Performance Connect — Stainless Works Exhaust Only
*Both options include high-flow catalytic converters
⇩ Download Installation Instructions (PDF)
What's In The Box
- Driver & Passenger Side Headers x2
- Catalytic Converters x2
- Lead Pipes x4
- Header Bolt Kit x2
- RTV Tube
- O2 Extensions
- Installation Instructions
Frequently Asked Questions
Will these headers fit my 1990–92 Corvette ZR1?
Yes. These long tube headers are designed specifically for the 1990–1992 Chevrolet Corvette ZR1 with the 5.7L LT5 engine. They feature 2" primary tubes with 3/8" thick flanges and a 2-1/2" slip joint collector.
What connection options are available?
Factory Connect includes 3" ball socket and 3" clamps for connection to the factory exhaust. Performance Connect systems will connect only to Stainless Works exhaust systems for a complete performance upgrade.
What performance gains can I expect?
These headers are dyno proven to make over 30 RWHP more than factory manifolds. The long tube design significantly improves exhaust scavenging and reduces backpressure for maximum performance.
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: ZR19092CAT
- Product type: Headers
- Fitment: 1990-1992 Chevrolet Corvette ZR1
- Configuration: Stock Exhaust (Factory Connect), High-Flow Cats
- EPA status: Testing
- Shipping weight: 38.4 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.
