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OBX 4-Bolt Flange Downpipe For 1994-2001 Acura Integra Honda Civic Si 1.8L

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Product Description

OBX Racing Sports™ offer a wide extensive range of quality aftermarket automotive products for import and domestic vehicles. OBX Racing Sports™ sets and maintain the industry's high expectations by using applicable highest grade materials and latest machinery along with advanced cutting edge manufacturing technologies.


  • OBX Racing Sports 304 Grade Stainless Steel Down Pipe (1pc)
    • Note: For turbocharged setup only


  • 1994-2001 Integra 1.8L DOHC B18B
  • 1999-2000 Civic SI 1.6L DOHC B16A


  • Mirror polished finish
  • Made of stainless steel
  • Outlet: 2-3/4"
  • Inlet: 2-3/4"
  • Flange Thickness: 3/8"
  • Flex Section: Yes
  •  Notes: For Turbo set up ONLY!

General Information:

  • Made quality materials for longevity and durability
  • Dual T.I.G. welded for stronger hold
  • CNC machined flanges for precision fitment
  • Mandrel bent pipes for faster smoother exhaust flow
  • Include all accessories shown on the photo
  • All systems are built with the highest quality care and detail
  • Don't compromise Quality Assurance 
  • Extremely competitive pricing that won't break your bank
  • No installation instruction with this kit, we recommended professional installation
  • Product is intended to be install to original stock exhaust, any modification or upgrade to it may cause fitment issues


Vehicles using aftermarket component(s) or any custom alteration(s), may affect the fitment of this product. It's the buyer's responsibility to verify the fitment before purchasing.

Some product(s) are for off-road or show car purposes only, may not be suitable for regular driving condition. These product(s) doesn't carry DOT, SAE or CARB approval. Our company is not responsible for any misuse of the the product.

Order(s) are subject to 25% restocking fee once the item(s) is shipped and returned for any reason. Including but not limited to: accept delivery or pick up from designated carrier, cancelled order(s) and incorrect address


All Honda parts listed on this page/website such as vehicle names, make, model, sub-model, engine and chassis codes and logos are the registered trademark of American Honda Motor Corporation, Inc and used for application reference or identification purposes only. 

OBX Racing Sports™ is the manufacturer of aftermarket tuning parts for use in the equipment of various automobile manufacturers. OBX Racing Sports™ and the parts contained herein are not sponsored, affiliated, associated, licensed nor authorized or otherwise connected in any way with America Honda Motor Corporation, Inc the original equipment manufacturers shown on this page/website. 

Trademarks, service marks and trade names of OBX Racing Sports™ used in this site are trade names or trademarks of the respective brand and products of OBX Racing Sports™

Please feel free to contact us if you have any question

Not legal for sale in California!!!  If your vehicle is registered in California or your shipping address is located in California, DO NOT PURCHASE THIS PART!!! Order will be automatically cancelled and refunded!!!

“For off-road, competition/racing use only. This product is not intended to be installed on vehicles registered for highway use. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.”


Note for buyers from the following locations: Alaska (AK), Hawaii (HI), Puerto Rico (PR), Guam (GU), Northern Mariana Islands (MP), US Virgin Islands (VI)
All United States Military Bases, AA, AE, AP
We reserve the right to cancel orders if buyers from the above locations do not contact us for a shipping quote.
Free shipping only applies to package shipping to the lower 48 United States. 
Thank you =)

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