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NEW Type II B-Series 4-1 Stainless Steel Header
Any B Series engine block
B16A, B16B, B18A, B18B, B18C1, B18C5, B20, and all hybrid motors.
Yonaka Motorsports is a grassroots performance part manufacturer since 2001, specializing mostly in Honda/Acura. Today they have expanded their product line to meet the needs of Lexus, Mazda, Subaru, Mitsubishi, Toyota, Nissan, GM, and Ford.
This is an aftermarket header manufactured by Yonaka Motorsports, design inspired by the Japanese only market 1998+ Integra Type-R B18C engine. This new and improved model has just been released by Yonaka and has replaced their ITR replica header. With a 5 lb weight reduction, improved flow and head fitment, this Type II header will immediately increase torque and add up to 12 horsepower. It comes with a brand new upper gasket, however you will need a standard 2.5" donut gasket, sold separately.
Yonaka Motorsports is a fast rising aftermarket parts company and is best known for their exhaust components, racing seats, and coilovers, and is quickly becoming one of North America's leading choices for affordable aftermarket performance parts, without compromising quality.
This header will fit bolt up to any B series engine block. It's made of stainless steel. It's a high quality part, unlike some of the unbelievably low priced headers you see on . If you want something cheap, that will crack over time with poor welds and flow, go ahead and buy one of those other ultra cheap headers. If you want to invest in a quality part that will stand the test of time, then get the Yonaka headers. You won't be sorry.
Specs: 1 5/8" pipes with 2.5" collector flange
Weight: 15 lbs
Warranty: 1 year against manufacturing defects
For more information, email us at
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Our company specializes in importing the finest JDM parts directly from Japan and removing the markup often found with performance shops and mechanics.
Shipping & Payment
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Payments by credit card are required because it allows us to ship your item out immediately. You must contact us within 48 hrs of sale close or we reserve the right to sell the item to another individual.
Delivery will take 1-7 business days, depending on your home state. Professional packing and shipping is via FedEx with insurance and tracking, anywhere in the USA or CANADA (except Hawaii & Alaska). Sorry, no pickups!
If faster shipping is required, please email us with your phone # and shipping address - an agent will call or email you back with a quote within 24 business hours. (USA and Canada Only)
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ATTENTION CANADIAN RESIDENTS!
The following tax rates apply to the total including shipping. Please add the applicable tax to your total and make sure you submit this amount as payment. We will not ship your item until it is paid. See chart below for your province:
British Columbia: 12%
New Brunswick: 13%
Newfoundland & Labrador: 13%
Northwest Territories: 5%
Nova Scotia: 15%
Prince Edward Island: 5%
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