Manifold shmanifold—swap that factory iron for some gnarly power & sound with Stainless Works Headers. Crafted from T304 stainless steel and tuned specifically for your engine, these exhaust headers deliver free-flowing horsepower, torque and throttle response. Limited Lifetime Warranty.
Not sure which 2003 Chevy Corvette Exhaust Headers & Manifolds are right for you? We have over 918 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Best long tube headers on the market for the price! And they work stock cats.
They fit great the only thing was the passenger o2 sensor was mounted pretty high was a pain i,n the b*** to put in. But no 02 extensions needed ,that was a Plus !!" —Alen D from El Cajon , CA bought a JBA Cat4ward Headers for a 2003 Chevy Corvette, 5.7L V8.