Originally Posted by ArmyBimmerDude
Exactly! Oh and if that costs to much for you then don't get the exhaust right away, give up around 10 hp, pay for the Xede, and be happy and all those E46 guys can stop bitching. Its like if its not $1, people get annoyed
The hp gains from each product is not simple addition.
XEDE gains = 10hp/10trq.
Exhaust gains = 10hp/15 trq