1988-1998 Chevy GMC 305 350 SBC V8 5.0L 5.7L C/K 1500 2500 3500 Black Exhaust Header
- 3 items → Extra 5% off
- 5 items → Extra 7% off
- 7 items → Extra 9% off
SAMexhaust headers are the perfect combination of quality and value. our exhaust headers made of high-quality T-304 stainless steel with CNC machine flanges of TIG and MIG welded construction. Computerized Mandrel-Bends bending maximizes the smoothest exhaust airflow for your vehicle and achieves better exhaust gas scavenging and reduced back pressure.
Features
- Medium length header for both 2-wheel and 4-wheel drive trucks with 305 and 350 5.7L engines.
- Inlet: 1.5"
- Outlet: 3"
- Head Flange Thickness: 7/16"
- Outlet Flange Thickness: 3/8"
- Equal length primaries; Larger primary pipe Diameter 1-5/8"
- 3" Collector
- Gains over 18+ RWHP
- Premium Quality T304 Stainless Steel
- Works with both straight and angle plug heads.
- TIG Welded CNC Machine Flange
- A set of headers with bolts, reducers and gaskets
- Professional installation is highly recommended. No instruction included
- Fits 88-98 SBC Chevy/GMC Truck 1500, 2500, 3500 5.0L 5.7L 2WD & 4WD
- Fit Chevy, GMC coated headers
Product Note: Professional installation recommended
Vehicle Fitment
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Chevrolet Blazer | 1992~1994 | 5.7L |
| Chevrolet C1500 | 1988~1998 | 5.0L, 5.7L |
| Chevrolet C1500 Suburban | 1992~1994 | 5.7L |
| Chevrolet C2500 | 1988~1998 | 5.0L, 5.7L |
| Chevrolet C2500 Suburban | 1992~1994 | 5.7L |
| Chevrolet C3500 | 1988~1998 | 5.7L |
| Chevrolet K1500 | 1988~1998 | 5.0L, 5.7L |
| Chevrolet K1500 Suburban | 1992~1994 | 5.7L |
| Chevrolet K2500 | 1988~1998 | 5.0L, 5.7L |
| Chevrolet K2500 Suburban | 1992~1994 | 5.7L |
| Chevrolet K3500 | 1988~1998 | 5.7L |
| Chevrolet R3500 | 1989~1991 | 5.7L |
| Chevrolet V3500 | 1989~1991 | 5.7L |
| GMC Yukon | 1992~1995 | 5.7L |
OEM VS Performance Headers
Cast-iron construction; narrow, restrictive passages VS Mandrel-bent larger tubing with optimized runners; high-temperature black coating (common for durability & aesthetics).
High backpressure due to restrictive design VS Significantly reduced backpressure via smooth, free-flowing paths.
Poor scavenging efficiency,excessive exhaust gas retention VS Efficient scavenging, minimal residual exhaust gas in cylinders
Limits 305/350 SBC V8’s true potential,sluggish throttle response VS Sharpens throttle response, boosts horsepower & torque, unlocks the engine’s full performance.
Muffled, mild, factory-standard sound VS Deep, aggressive, sporty exhaust note
OEM Manifold: Daily driving, stock trucks with basic performance needs.
Performance Headers: Off-roading, performance builds; for enthusiasts chasing more power & sporty exhaust tone.
Why Choose Samexhaust
Proven Quality
CFD-tested for optimal flow and pressure-tested for long-lasting performance.
Each kit comes with all necessary gaskets, bolts, and hardware for easy installation.
Why Choose Samexhaust
Made from premium stainless steel/aluminum (depending on model) to resist corrosion and withstand high temperatures under long-term operation.
Manufactured in our own facility and stocked in the U.S. for quick nationwide delivery — no middleman markups.
By removing EGR restrictions, this kit improves engine efficiency, reduces carbon buildup, and enhances throttle response, offering a clean, reliable, and cost-effective performance upgrade.
Dedicated customer support to guide you from selection to installation.
Frequently Asked Questions
Will these headers fit my truck?
Yes — designed for 1988–1998 Chevy/GMC SBC 5.0L (305) and 5.7L (350) V8 trucks, including 1500, 2500, and 3500 models with both 2WD and 4WD.
What material and construction do the headers use?
Made of high-quality T-304 stainless steel with CNC machine flanges. TIG and MIG welded construction ensures durability and leak-free performance.
What are the header specifications?
• Medium length headers for both 2WD and 4WD trucks
• Inlet: 1.5" | Outlet: 3"
• Head flange thickness: 7/16" | Outlet flange thickness: 3/8"
• Equal length primaries, 1-5/8" diameter pipes
• 3" collector
How much horsepower gain can I expect?
Expect over 18+ RWHP gains due to improved exhaust flow and reduced back pressure.
Is this compatible with all SBC engines?
Yes — works with both straight and angle plug heads on 305 and 350 SBC engines.
Can I install these headers myself?
Professional installation is highly recommended. The set includes bolts, reducers, and gaskets, but no instructions are included.
Are these headers coated or polished?
These headers are coated for durability and long-lasting performance, suitable for Chevy and GMC trucks.
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.
