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engine_details:exhaust_manifolds [2020/04/14 14:35] benengine_details:exhaust_manifolds [2026/04/09 16:47] (current) – external edit 127.0.0.1
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 ====== Exhaust Manifolds ====== ====== Exhaust Manifolds ======
 +
 +===== Front Wheel Drive Vehicles =====
  
 Exhaust manifolds were the same for all series 2 and 3 front wheel drive 3800's. Exhaust manifolds were the same for all series 2 and 3 front wheel drive 3800's.
 +
 +The stock manifolds are somewhat restrictive in factory form, however the rest of the exhaust flows fairly well.
 +
 +===== F-body =====
  
 F-body 3800's had two different exhaust manifold designs. The later design flowed quite a bit better than the earlier design. F-body 3800's had two different exhaust manifold designs. The later design flowed quite a bit better than the earlier design.
 +
 +All f-body's utilize 2 upstream oxygen sensors and 1 downstream oxygen sensor.