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Get your car to perform at its highest potential!.: 10+ HP Gain | Bolt On Design :.This exhaust manifold for the 1990-1991 Acura Integra 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.Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the backpressure that occurs in common exhaust manifolds. When cylinders don't have to fight with each other to expel their exhaust, they can put more power through the wheels, pushing the vehicle. Combining with a high performance cold air intake, and a cat-back exhaust system, a header system removes all restrictions of your engine, then, it is able to perform at its full potential.
FEATURES & BENEFITS:
- Increases high air flow, instantly gains 10 -15 Hp. / Tq.
- 1.75" Inlet, 2" Outlet
- 4-2-1 Design
- Made of high quality T304 stainless steel material
- TIG welded CNC machine flange
- Direct bolt-on design, easy to install
- O2 sensor insertion and metal gasket included
- 100% brand new
- Professional installation is highly recommended
- No instruction Acura Integra LS / RS / GS
- 1 header kit (necessary gaskets and bolts included) if any are shown in the picture above
- 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.
DOMESTIC LOWER 48 US STATES: FREE SHIPPING AK, HI, PR, PO Box, GU, VI, SAIPAN and CANADA: 89.99 REST OF THE WORLD: 199.99 SALES TAX: FOR CALIFORNIA RESIDENTS ONLY* Shipping times are only estimations and is no way an exact measurement of delivery times.
SHIPPING:Please make sure you input the correct shipping address during checkout. We cannot beheld responsible for incorrect or undeliverable addresses. Buyer pays reshipment charges.Transactions will be held if the shipping amounts are not paid in full.UPS does not ship to PO Box addresses so if an alternate address is not provided, your order would either be held or shipped via other means such as USPS (Additional fee may beapplied).Customer is responsible for all customs duties, taxes, and other fees incurred by the country's customs/border. 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.
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We are not responsible for any changed of address after items have been shipped.
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.
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.
Customer satisfaction isguaranteed. 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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