Shorty Exhaust Header for Chevrolet Suburban GMC Suburban (1992-1995) 5.7L

High-Flow Shorty Exhaust Header for 1992-1995 Chevrolet,GMC Suburban (GMT400)

What it Does: The Shorty Exhaust Header replaces the restrictive factory cast iron exhaust manifolds on the 1992-1995 Chevrolet and GMC Suburban to reduce exhaust backpressure, increase scavenging efficiency, and sharpen low-end throttle response.

The Stock Chevrolet,GMC Suburban Exhaust Manifold Restriction

Factory exhaust manifolds on the GMT400 Suburban are cast iron units designed with tight, uneven runners and rough internal surfaces. This geometry causes severe exhaust pulse turbulence, uneven backpressure across cylinder banks, and thermal retention that bakes underhood components. Over decades of heat cycling, these OEM cast units are notoriously prone to hairline cracking and warped flanges, which lead to exhaust leaks that compromise low-RPM scavenging and hurt towing efficiency on the L03 / L05 SBC 350 platform.

The Engineering Solution

Engineered from mandrel-bent 16-gauge (1.5mm) 304 stainless steel, these short tube headers feature smooth 1-1/2 inch (38mm) primary runners that transition into a 2-5/8 inch (67mm) collector. This configuration maintains critical exhaust velocity to maximize torque production right off idle through the mid-range. The head flanges measure a heavy-duty 7/16-inch (11.5mm) and are laser-cut before being flattened in a hydraulic press to ensure true mating and prevent blowouts. Fully TIG-welded construction withstands heavy thermal loads, while the polished finish provides corrosion resistance against road salts and road grime.

What's Included

• 2 Shorty exhaust headers (driver and passenger side)
• 2 Header-to-cylinder-head gaskets
• Collector gaskets
• Mounting bolts and hardware set

Technical Specifications

Compatibility

• 1992-1995 Chevrolet Suburban C1500 5.7L 350 V8
• 1992-1995 Chevrolet Suburban C2500 5.7L 350 V8
• 1992-1995 Chevrolet Suburban K1500 5.7L 350 V8
• 1992-1995 Chevrolet Suburban K2500 5.7L 350 V8
• 1992-1995 GMC Suburban C1500 5.7L 350 V8
• 1992-1995 GMC Suburban C2500 5.7L 350 V8
• 1992-1995 GMC Suburban K1500 5.7L 350 V8
• 1992-1995 GMC Suburban K2500 5.7L 350 V8

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT400 Suburban?

Yes, this is a direct fit for the 1992-1995 Chevrolet and GMC Suburban equipped with the 5.7L 350 (L05) small block engine. It does not fit big-block 7.4L 454 or 6.5L Detroit Diesel configurations.

Is custom exhaust fabrication required for installation?

No, these shorty headers retain the factory-style collector position to bolt directly to stock or factory-replacement Y-pipe assemblies using the included hardware.

The Chevrolet,GMC Towing Caliber

Built for the heavy demands of towing, hauling, and long-range utility, these 304 stainless headers deliver the thermal endurance and exhaust scavenging your heavy GMT400 needs under load without warping or cracking.