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View Full Version : HPF Catback Stainless EXHAUST for the BMW 335i - VIDEO



HPF Chris
07-28-2010, 06:41 PM
Our "pre-production" catback exhaust system for the 335i is now completed. We designed the highest flowing exhaust system possible given the space constraints and the sound quality we wanted to achieve. The HPF 335i exhaust system was designed to bolt right up to our 335i single turbo kits (once they are completed). The net result is a 3.5" v-band flanged, muffler-less, cat-back, stainless steel exhaust system that splits into two 3" sections after the rear differential. Ground clearance has been kept to factory specs and the resulting sound is similar to an exotic.

I will have pictures to follow in a few weeks and we will release pricing and begin selling the exhaust system shortly. Here's a video clip of the exhaust in action.

If you have any questions about this exhaust, please email david@horsepowerfreaks.com.

Thanks.
Chris.

http://www.youtube.com/watch?v=dZSOyEE7WOk

Boots
07-28-2010, 09:04 PM
thats sick sounding. it doesnt sound like its turboed at all, which is good. more like a Ferrari or something.

ZimDoc
07-28-2010, 10:39 PM
Sounds like a supra. Maybe just a BPU+.

Keep going I wanna see this turbo kit for it.

stanksbeamen
07-28-2010, 11:12 PM
I dont like the way it sounds. Just my opinion, good to have options for the 335 guys though. :)

YellowBed
07-29-2010, 12:23 AM
So what kind of car does it sound like? :?

Is the stock exhaust pretty restrictive?

Dominic49
07-29-2010, 12:25 AM
damn the n54 sounds like puke

the n55 sounds soooooo much better

turbo325ii
07-29-2010, 12:51 AM
Sounds pretty good. Find a better place to get on it...

Sniz
07-29-2010, 08:47 AM
retarded place to shoot that video guys :(

96bmwcosmosm3
07-29-2010, 08:56 AM
hope thats not a customers car. might sound better in manual trany

a32guy
07-29-2010, 10:26 AM
Autos really ruin exhaust sound clips for me... would love to hear on a manual with some decel and gear changes.

When will we hear more info about single turbo options? :)

rundatrack
07-29-2010, 01:56 PM
Sounds great to me...cant wait to hear it really up there in the rpms.

SiGmA
07-29-2010, 01:57 PM
Crappy video to say the least... It might sound good but that clip leaves a lot to desire. You could have at least put it on the dyno and done a pull or a flyby on airport way.

Mad Dog 20/20
07-29-2010, 02:15 PM
Sounds great . . . considering its a turbo.

HPF Chris
07-29-2010, 04:45 PM
More videos to come. :)

steevieweevie
07-29-2010, 06:51 PM
gotta get vids of it cruising 55-70, so people can hear what the drone sounds like.