F30 335 - Exhaust and Downpipe - BMW 3-Series Forum (F30 / F32)

GTM_Challenge · 03-09-2012, 12:54 PM

As a follow up to our general product development thread here: http://www.f30post.com/forums/showthread.php?t=654924 We have been testing our catback for the F30 335 over the past week. We are playing with some different canisters to get the right amount of sporty sound with no droning or excessive noise. The exhaust will used full 3in piping front to rear ( the OEM pinches down to 2.5in in the front areas) with a dual outlet canister and 3.5in exhaust tips Once we add the catless downpipe, it'll add some more aggressive sound as well as a good bump in power im sure

Here are a few shots we took the other day once the weather cleared up a bit. We'll take some more shots of the exhaust once we have a more finalized version to show.

Video of cold start, to idle, reving, then a quick take off clip! Enjoy

Newest video:

Challenge Sport catback Exhaust with Challenge downpipe with High Flow Cat. The downpipe added a good amount of grunt down low and in the midrange without adding any additional noise at crusing speeds. The cold start is now a bit louder than before and the over all exhaust note is a bit deeper with a hint of turbo noise in it

When the Ecu is put in sport mode, you also get a bit more burble and poping noise off throttle

DrivenByE30 · 03-09-2012, 01:43 PM

Beautiful Tips! drooling now ...

iwannabimmer · 03-09-2012, 02:48 PM

Yes, beautiful tips. I'm drooling too. How about a video to hear the sound?

328i4me · 03-09-2012, 05:51 PM

lookin good!!

justinnum1 · 03-09-2012, 06:20 PM

how does it sound?

jtuds · 03-09-2012, 07:12 PM

Nice but they're not centred into the spaces in the diffuser.

lonestar22 · 03-09-2012, 08:33 PM

Quote:

Originally Posted by jtuds

Nice but they're not centred into the spaces in the diffuser.

chill its a prototype

gnosis8 · 03-09-2012, 09:40 PM

Nothing like a nice big pair of tips.

clarence · 03-09-2012, 10:12 PM

Anything for the 328i?

GTM_Challenge · 03-11-2012, 11:16 AM

Quote:

Originally Posted by jtuds

Nice but they're not centred into the spaces in the diffuser.

They are actually perfectly center. It's just the angle of that rear shot that it looks off for some reason.

GTM_Challenge · 03-11-2012, 11:18 AM

Quote:

Originally Posted by iwannabimmer

Yes, beautiful tips. I'm drooling too. How about a video to hear the sound?

I'm hoping to do some clips this week since we should have some nice weather

SCBimmerKid · 03-11-2012, 02:49 PM

WOW. That is super clean. Love it. would love to hear it.

GTM_Challenge · 03-12-2012, 02:29 PM

Quote:

Originally Posted by clarence

Anything for the 328i?

328 parts will be completed just after the 335i parts

GTM_Challenge · 03-23-2012, 01:59 PM

Just got some of the prototype machined parts for the down pipe and exhaust for the 335 as well as the aluminum ends for the intercooler. These aluminum couplers will allow the use of the OEM special clip in quick connectors for an OEM fit!

GTM_Challenge · 03-29-2012, 09:37 PM

Took some go pro videos from the rear of the exhaust on the street at wide open throttle, start up, and some casual driving. We'll try to get them posted mid next week. We are moving to our new facility at the moment!

Grumpy514 · 05-03-2012, 12:42 AM

What happened? Thought you were going to post some vids!!!

GTM_Challenge · 05-06-2012, 12:08 PM

Quote:

Originally Posted by Grumpy514

What happened? Thought you were going to post some vids!!!

As soon as we catch the next break in clear weather here the vids will be done.

jrob · 05-08-2012, 06:48 PM

Looks awesome, looking forward to hearing it. What kind of exhaust note are you going for? I'm a big fan of just a deep throaty rumble and no rasp at WOT.

1.fresh.f30.335 · 05-30-2012, 08:27 AM

Thats it, GT motoring you guys have to paint that 335i, Cause every time I look at it I go damn that new part looks so good on the alpine white I have to get it... Long story short your going to break my bank and my promise that I wouldn't put any money into this car Bhahaha!

Looks sick though, please pm when you have a down pipe, I want to just go down pipe and chip rather than the whole exhaust... I say this until you tell me you have the exhaust w/black tips to match oem and then I will have a turbo back exhaust on order

luigimaster24 · 05-31-2012, 01:27 AM

When will the CATLESS Downpipes be available ?

bananachipz · 05-31-2012, 03:59 PM

Quote:

Originally Posted by GTM_Challenge

As soon as we catch the next break in clear weather here the vids will be done.

Umm.. that was a month ago...

Vids or GTFO!

GTM_Challenge · 05-31-2012, 04:09 PM

Quote:

Originally Posted by luigimaster24

When will the CATLESS Downpipes be available ?

The exhaust should be out sometime in June and the downpipes should be available in July.

03-09-2012, 12:54 PM	#1
GTM_Challenge Drives: E92 M3,X5M,F30 335 Join Date: Jan 2010 Location: Chicago Posts: 2,175 iTrader: (6)	F30 335 - Exhaust and Downpipe - now with video! As a follow up to our general product development thread here: http://www.f30post.com/forums/showthread.php?t=654924 We have been testing our catback for the F30 335 over the past week. We are playing with some different canisters to get the right amount of sporty sound with no droning or excessive noise. The exhaust will used full 3in piping front to rear ( the OEM pinches down to 2.5in in the front areas) with a dual outlet canister and 3.5in exhaust tips Once we add the catless downpipe, it'll add some more aggressive sound as well as a good bump in power im sure Here are a few shots we took the other day once the weather cleared up a bit. We'll take some more shots of the exhaust once we have a more finalized version to show. Video of cold start, to idle, reving, then a quick take off clip! Enjoy Newest video: Challenge Sport catback Exhaust with Challenge downpipe with High Flow Cat. The downpipe added a good amount of grunt down low and in the midrange without adding any additional noise at crusing speeds. The cold start is now a bit louder than before and the over all exhaust note is a bit deeper with a hint of turbo noise in it When the Ecu is put in sport mode, you also get a bit more burble and poping noise off throttle __________________ GT Motoring - Challenge USA - Rays / Volk Dealer - BBS Distributor - Eisenmann Dealer - Willans Dealer - Willans Harnesses Last edited by GTM_Challenge; 06-05-2012 at 05:27 PM.
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03-09-2012, 01:43 PM	#2
DrivenByE30 Colonel Drives: '12 F30 Lux 335i 6MT Join Date: Jun 2011 Location: OC - SoCal Posts: 2,174 iTrader: (0)	Beautiful Tips! drooling now ... __________________ all 3 are MT > F30 Luxury 335i 6MT- The dream driven... _..._4/12/12 ED trip MASSIVE photo thread here <<<

03-09-2012, 06:20 PM	#5
justinnum1 Brigadier General Drives: 2013 335i Msport Join Date: Nov 2006 Location: South Florida Posts: 3,793 iTrader: (0)	how does it sound? __________________ F30 335i Msport Estoril Blue/Black leather sport auto. black grills, Performance Exhaust, HK,

03-11-2012, 02:49 PM	#12
SCBimmerKid Lieutenant Drives: Mineral Grey F30 Join Date: Mar 2012 Location: Hilton Head, SC Posts: 581 iTrader: (0)	WOW. That is super clean. Love it. would love to hear it. __________________ NO LONGER ON ORDER *'12 328i* Mineral Grey Metallic w/black leather/aluminum&black gloss trim/ZSL/ZPP/Xenons

03-23-2012, 01:59 PM	#14
GTM_Challenge Drives: E92 M3,X5M,F30 335 Join Date: Jan 2010 Location: Chicago Posts: 2,175 iTrader: (6)	Just got some of the prototype machined parts for the down pipe and exhaust for the 335 as well as the aluminum ends for the intercooler. These aluminum couplers will allow the use of the OEM special clip in quick connectors for an OEM fit! __________________ GT Motoring - Challenge USA - Rays / Volk Dealer - BBS Distributor - Eisenmann Dealer - Willans Dealer - Willans Harnesses

03-09-2012, 02:48 PM	#3
iwannabimmer Second Lieutenant Drives: 2009 mazda6s grand touring Join Date: May 2010 Location: chicago, IL Posts: 299 iTrader: (0)	Yes, beautiful tips. I'm drooling too. How about a video to hear the sound?

03-09-2012, 05:51 PM	#4
328i4me First Lieutenant Drives: 08 E92 335xi Join Date: Oct 2006 Location: NorCal Posts: 326 iTrader: (4)	lookin good!!

03-09-2012, 07:12 PM	#6
jtuds Captain Drives: 335i M Sport ordered Join Date: Oct 2011 Location: 1.5-2 hrs west of Toronto Posts: 773 iTrader: (0)	Nice but they're not centred into the spaces in the diffuser.

03-09-2012, 09:40 PM	#8
gnosis8 Private Drives: '13 F30 335i Join Date: Feb 2012 Location: Glen Mills, PA Posts: 95 iTrader: (0) Garage List 2013 BMW 335i sedan [0.00]	Nothing like a nice big pair of tips.

03-09-2012, 10:12 PM	#9
clarence Lieutenant Colonel Drives: F30 328i M-Sport Join Date: Mar 2006 Location: Hong Kong Posts: 1,521 iTrader: (0)	Anything for the 328i?

03-29-2012, 09:37 PM	#15
GTM_Challenge Drives: E92 M3,X5M,F30 335 Join Date: Jan 2010 Location: Chicago Posts: 2,175 iTrader: (6)	Took some go pro videos from the rear of the exhaust on the street at wide open throttle, start up, and some casual driving. We'll try to get them posted mid next week. We are moving to our new facility at the moment! __________________ GT Motoring - Challenge USA - Rays / Volk Dealer - BBS Distributor - Eisenmann Dealer - Willans Dealer - Willans Harnesses

05-08-2012, 06:48 PM	#18
jrob Bimmer God Drives: 2003 BMW 330i Join Date: Feb 2012 Location: Wichita, KS Posts: 73 iTrader: (0)	Looks awesome, looking forward to hearing it. What kind of exhaust note are you going for? I'm a big fan of just a deep throaty rumble and no rasp at WOT.

05-30-2012, 08:27 AM	#19
1.fresh.f30.335 Second Lieutenant Drives: 2012 F30 335i saloon Join Date: Apr 2012 Location: NH-CT Posts: 265 iTrader: (0)	Thats it, GT motoring you guys have to paint that 335i, Cause every time I look at it I go damn that new part looks so good on the alpine white I have to get it... Long story short your going to break my bank and my promise that I wouldn't put any money into this car Bhahaha! Looks sick though, please pm when you have a down pipe, I want to just go down pipe and chip rather than the whole exhaust... I say this until you tell me you have the exhaust w/black tips to match oem and then I will have a turbo back exhaust on order __________________ '12 335i Sport Apline White w/black

05-31-2012, 01:27 AM	#20
luigimaster24 Captain Drives: 2013 F12 M6 & 2013 F30 335i Join Date: Sep 2010 Location: San Diego Posts: 901 iTrader: (4)	When will the CATLESS Downpipes be available ?

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