Hi,

Trying to install some new ITR headers on my b18C1. When I try and mount them up to the block they do not sit flat. There are 3 little pieces of metal on the block that stand out near the exhaust holes. These are causing clearance issues with the headers I bought.

I picked up some cheap ones to fix my header problem at the moment. They are:

http://www.ebay.com/itm/110884694188...#ht_3006wt_952

These are rounded underneath the exhaust pipes closest to the engine. The current headers on my car have a flat bottom. Am I doing something wrong or is there a problem with the ebay headers.

 

pictures would really help make sense of what you're talking about