Fits 1975-1981 Toyota Celica & 1975-1988 Toyota Pickup with 20R/22R engine 1-1/2†mandrel bent primary tubes and 2-1/2†collectors with merge spears for increased exhaust velocity 3/8†thick header flanges for strength and maximum sealing surface Available in black painted mild steel, natural 409 stainless steel, and polished 304 stainless steel Gaskets and collector hardware included