Price: $65

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This exhaust manifold for the 1994-2001 Acura Integra 1.8L DOHC 4 Cylinder Engine were designed to combine the exhaust gasses from each of the cylinders quickly with a manifold that was cost effective to produce. Our 4-2-1 Tri-Y off-road racing headers are designed to allow the exhaust gasses to flow more freely from each cylinder and combine in a more efficient manner. Tubing has been optimized for the 1.8L engine. This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque. An added benefit is a more performance oriented exhaust sound.


  • Made of high quality T-304 stainless steel material
  • TIG welded CNC machine flange
  • O2 sensor insertion and metal gasket included
  • 4-2-1 JDM racing design
  • Increase high flow air, instantly gain 10 to 15 Hp. / Tq.


  • 1 x Set of exhaust header
  • All necessary hardware, bolts, and gaskets


  • 100% Brand New
  • Professional Installation is Highly Recommended
  • Installation Instruction is NOT Included

    • Installation instructions not included
    • Professional installation highly recommended
    • Minor modifications may be needed for some of our products or for certain car models
    • If item is questionable, please consult your local professional/mechanic before making purchase.

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    All return requests must be submitted through your account. You have to obtain a RMA (Return Merchandise Authorization) number from us, and have the RMA number written on the return package. Buyers pay for return shipping fee. All returns are for refund ONLY. No exchange accepted. Returns for refund are subject to a 20% restocking fee.

    Buyers are responsible for return shipping charges and is non-refundable.


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    If item is questionable, please consult your local professional/mechanic before making purchase.

    All items do not come with installation instruction unless otherwise specified.

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