Here's the info I collected from the Magnaflow site for comparison purposes.
Magnaflow 16528 Cat-back
1999 BMW 318ti
L4 1.9L
5 x 8 x 14in. Muffler
2.5in. Tubing
3.5in. Polished Stainless Tip
SINGLE REAR EXIT
Magnaflow 16604 Cat-back
1998 BMW M3
L6 3.2L
5 x 8 x 18in. Muffler
2.5in. Tubing
3.0in. Polished Stainless Tip
DUAL REAR EXIT |