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OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Exhaust Manifold/Headers
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
5.7L V8 Naturally Aspirated LS1 (350hp).
Quick reference
Verify specific production year differences as they may affect fitment.
Check for potential variations in exhaust routing or sensor placements.
Context
For owners of the 2002 Chevrolet Corvette equipped with the 5.7L V8 LS1 engine, sourcing an exhaust manifold or headers can enhance performance and sound. The OEM part numbers to look for include 12560034 and 12560035, which are designed for a perfect fit with the LS1 engine. When inspecting used exhaust manifolds, check for cracks, warping, or rust, as these can lead to exhaust leaks and reduced performance. Installation typically requires the removal of the old manifold, which may be challenging due to tight spaces and rusted bolts. Ensure to use new gaskets and bolts for a proper seal. This component fits a range of models from 1997-2004 Chevrolet Corvette and some variants of the Camaro and Firebird; however, always verify compatibility due to possible mid-cycle changes in mounting brackets.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2002 | Chevrolet | Corvette | 5.7L V8 Naturally Aspirated LS1 (350hp) | 80% |
Available parts

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