TOMS headers + exhaust = 2.5 inch pipe [Archive] - Toyota MR2 Message Board

pipe, inch, standard, toms, diameter, exhaust, 2.25, size, appears, smaller, curious, reduce, muffler, turns, thought, headers, inches, straight, rest, piece, today, replaced

Isnt the standard pipe 2.25 inches? I thought the TOMS one was too, but it turns out that it