I've been thinking of the same thing lately.
Did the cats make a big improvement?
So I'm looking for a magnaflow muffler for my 89 535i.
The selection on www.summitracing.com is insane...which should I get?
(I already have magnaflow cats)
I've been thinking of the same thing lately.
Did the cats make a big improvement?
Eric Claussen
La Habra, CA
1993 525i 5 speed
I doubt it would make an improvement, and it'll let in more dirt than OEM.Originally Posted by Sam-Son
I've toyed with making a nice box of aluminum and intake pipe with mandrel bent tubing and using the cone filter used in 2001 or so v8 and v10 ford trucks. It's a huge filter, and it's paper. Probably flows double the OEM bmw filter and it'll be clean air. Wrap the tubing in some type of heat shield. I think the biggest gain would be eliminating the accordion elbow into the throttle body. It might not make more power, but it would look cool.
Eric Claussen
La Habra, CA
1993 525i 5 speed
Yeah bimmerworld has a tube to replace the accordian they claim a ridiculous 8-10 hp gain i'd get it just cuz it looks cool.Originally Posted by etcetera
-Mike