Exhaust› Headers, Manifolds and Components
Speed Engineering
LT Swap Longtube Headers
SKU: 25-1165
Moderate — 2–4 hours
Description
These headers feature mandrel bent tubing with 1 7/8" primaries and a 3" collector, incorporating merge spikes and CNC machined flanges. They are specifically engineered for LT series engine swaps into V8 LS engines, including 5.3L, 6.2L, LT1, and LT4 applications.
Fitment
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Available on iOS & Android
Specifications
| Brand | Speed Engineering |
| Part Number | 25-1165 |
| Category | Exhaust |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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