Rear END

[bwinch]

I am thinking of purchasing a 9 inch rear end. Is this a good idea?

[MdFormula350]

some say with automatic and mild power a 12 bolt will be fine.
with manuals they say go with the 9 inch.

the stock ten bolts kinda do break with mild power some even with stock.

[INMY01TA]

Do you do alot of drag racing? Auto or manual? Like he said above, 12 bolt will do for an A4, nine inch for an M6 if you race it alot.

[BIG D's SS]

9 inch is bad ass. But the 12 bolt or 9 inch is about the same in strength. 9inch is just a little stronger in my opinion.