Stainless Works 1988-98 Chevy/GMC 1500 Headers 1-7/8in Primaries 2-1/2in High-Flow Cats Y-Pipe (part # CT8898HCATY), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
1988–98 Chevy Truck
Long Tube Headers
Factory Connect
Made in USA
Overview
Unlock the full potential of your 1988–98 Chevy/GMC Truck with premium long tube headers from Stainless Works. These headers feature 1-7/8" mandrel bent primary tubes that flow into 2-1/2" lead pipes. Includes high-flow catalytic converters.
This system connects directly to the stock exhaust using the included Y-pipe or to Stainless Works using the X-pipe for a complete performance upgrade. Designed specifically for the GMT400 platform.
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 1988–98 Chevy/GMC Truck
- Available with Factory Connection or Performance Connect
Key Features
1-7/8" Primary Tubes
Optimized sizing for strong mid-range and top-end power gains.
2-1/2" Lead Pipes
Enhanced exhaust flow for reduced backpressure and increased power.
High-Flow Catalytic Converters
EPA compliance with improved flow for maximum performance.
Factory or Performance Connect
Y-pipe for stock exhaust — X-pipe for Stainless Works systems.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
1988–98 Chevy Silverado / GMC Sierra — GMT400 |
| System Type |
Long Tube Header Kit |
| Primary Tube Size |
1-7/8" |
| Lead Pipe Size |
2-1/2" |
| Catalytic Converters |
EPA Compliant High-Flow |
| Connection Options |
Y-Pipe (Factory) — or — X-Pipe (Performance Connect) |
| Wheelbase |
Only Fits 142" Wheelbase 5.7L Small Block Chevy |
| Drivetrain |
4WD Only |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
Lifetime |
| Origin |
Made in USA — Streetsboro, Ohio |
Fitment Information
⚠️ IMPORTANT FITMENT NOTES
Only fits 142" wheelbase models.
Only fits 4WD models.
Only Fits Small Block Chevy
ℹ️ CONNECTION OPTIONS
This system connects directly to the stock exhaust using the included Y-pipe or to Stainless Works using the X-pipe for a complete performance upgrade.
This header system fits the 1988–1998 Chevy Silverado / GMC Sierra GMT400 in the following configurations:
Vehicle Application
✓ 1988–98 Chevy Silverado / GMC Sierra
✓ 5.7L
✓ 4WD Models Only
Connection Options
✓ Factory Connect — Y-Pipe to Stock Exhaust
✓ Performance Connect — X-Pipe to Stainless Works
*Only fits 142" wheelbase
What's In The Box
- Driver & Passenger Side Headers x2
- O2 Bung Plug
- Catalytic Converters x2
- Lead Pipes x2
- Y-Pipe or X-Pipe
- Clamps x7
- Bolt Kit — 16 Pieces
- RTV Tube
Frequently Asked Questions
Will these headers fit my 1988–98 Chevy or GMC Truck?
Yes. These long tube headers are designed specifically for the 1988–1998 Chevy Silverado and GMC Sierra GMT400 platform. They only fit 4WD models with a 142" wheelbase. Please verify your vehicle's wheelbase and drivetrain before ordering.
What connection options are available?
This system connects directly to the stock exhaust using the included Y-pipe (Factory Connect) or to Stainless Works using the X-pipe (Performance Connect) for a complete performance upgrade.
Do these headers include catalytic converters?
Yes. This system includes high-flow catalytic converters that are EPA compliant and designed for improved flow while maintaining emissions compliance.
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: CT8898HCATY
- Product type: Headers
- Fitment: 1988-98 Chevy/GMC 1500
- Configuration: High-Flow Cats, Stock Exhaust (Factory Connect)
- EPA status: Testing
- Shipping weight: 58 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.
