What's better standard or after market zorst?

[visionz]

Basicly what i want to know is.. what's better for my 325 motor.. a standard 325i exhaust or an after market one.. cuz i know putting chavvy air filters on there slows em down.. just wondering if it was the same with zorsts.. cheers

[visionz]

ceeeeeaaaamon.. someone must know

[dazleeds]

other than for more noise

ya dnt get much better than standard bmw system in my oppinion mate

Daz

[visionz]

sorted.. my mate had an old B reg M5.. had a standard zorst on it.. swore by it.. "it goes like a bag of shit with non-BMW exhaust on it" best get me a nice standard system then

[dazleeds]

from what ive heard go for the boysen system

good sound too

[visionz]

where'd u get it?

[dazleeds]

dealers or gsf/ecp

[visionz]

Thanks matey