I got this from "sentra" on here and i've never used it. He told me it was used for less than 1000 miles with NO dings/dents.

Honda / Acura MDT Hytech Style 4-2-2-1 Tri-Y Header
Fits: All B Series Engines (Vtec & Non-Vtec)

Many Honda / Acura engine builders have used this type header since early 90’s for their All Motor (Naturally Aspirated) proyects. On that time they were custom made by a company named Hytech and they were about $900-1200 and took 2-3 months to be built. Now on 2007 this design is finally available at a affordable price. This is their last design which is the BEST HEADER for A B Series to date. It will outperform ANY header in the same price range. DYNO & RACE PROVEN.

It will fit ALL B-Series Engines Honda / Acura. All B16(A/B), B17A, B18(A/B/C1/C5) and B20(B/Z) Honda Engines.

· 304 Stainless Steel
· High Flow Tri-Y Merge Collector
· Hand TIG weld
· CNC machined flange
· High Flow True 2.5" merge collector
· Best Ground Clearance
· Long Tube Design (4-2-2-1)

Common USDM Applications:
90-93 Acura Integra GSR (B17A)
90-93 Acura Integra RS / LS / GS (B18A)
94-97 Honda Civic Del Sol Si (B16A)
94-01 Acura Integra GSR (B18C1)
94-01 Acura Integra RS / LS / GS / SE (B18B)
96-01 Acura Integra Type R (B18C5)
96-00 Honda Civic Type R (B16B)
96-01 Honda CRV (B20B)
99-01 Honda Civic Si (B16A)

NOTE: This header will work in all type of B series swapped cars. Older models (1993 and lower) will need the cross member to be modified. This will happen on these cars with all types of headers. Just cut out the part that doesn’t let you fit in the header.

 

Are these the regular tube or big tube headers?