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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 4-1 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.


Features:

  • High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
      i.e. Maximizing Smoothest High Exhaust Air Flow Rate
  • 4-1 High Performance JDM Racing Spec. Design, Produces the Most Top End Power
  • Offers the Best Flow Characteristics for the Engine at High Engine Speeds
  • Increase High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
  • Inlet/ Outlet: 1.25" X 1.75" (4 X Oval Manifold Ports)/ 2.50"
  • Piping Diameters: 4 X 1.50" Manifold Piping; into 1 X 2.50" Major Pipe
  • TIG Welded CNC Machine Flange
  • O2 Sensor Bung Insertion and Metal Gasket Included


    Includes:

  • 1 x Set of Exhaust Header
  • Hardware as Shown in the Picture Above


    Notes:

  • 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.

    SKU: HDS-AI94GSR-41-SSB
    •  
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    CANADA: Please change country in "Shipping and payments"
    REST OF THE WORLD: Please change country in "Shipping and payments"
    SALES TAX: FOR CALIFORNIA RESIDENTS ONLY


    * Shipping times are only estimations and is no way an exact measurement of delivery times.
     
     

    SHIPPING:

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     Orders usually shipped within 48 hours (except for weekends and holidays) after cleared payment has been received. Once orders has been shipped out, we cannot control carrier transit time.

     Most orders will be shipped with the best suitable method for specific products and delivery locations

     We are not responsible for any changed of address after items have been shipped.

    RETURN:

     30 Days Money Back Guarantee: Items to be returned must be in new and resalable conditions. All returns must be pre-approved by our representatives via E-mail and an RMA number must be obtained.

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    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.

    TERMS & CONDITIONS:

     Customer satisfaction is guaranteed. If for any reason you are unsatisfied with your order, please contact us.

     For emissions related items, please check your local jurisdiction for emission specific requirements before purchasing.

     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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