If you’re looking for a performance upgrade for your v6 Pathfinder, Hardbody, Xterra or Frontier, then the Doug Thorley headers are the answer! These high quality headers will give you more Horsepower and fuel mileage! These are good in stock and can ship same day when ordered before 4pm PST.
2 Replies to “Doug Thorley 3.3L & 3.0L v6 Headers are good in stock!”
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are these ca legal
The 3.0 headers are 50 state legal. the 3.3 headers are not CARB certified and you will neeed to check your local laws about legality with removing the primary cats.