[CASHBY]

Originally Posted by IMJUSS2NASTY

I'm a simple guy, I just want 400-450 whp. Plz show some results with the Procede!!!!!!!!

ahahah... thats great..

wel with v2.0 PROcede and Riss Racing DP's... im pretty sure 400whp isnt going to be a problem.

[j|rz44]

Very exciting indeed!
Great work man!
Will you be posting a DIY?

GJ

[CASHBY]

Originally Posted by jmramos44

Very exciting indeed!
Great work man!
Will you be posting a DIY?

GJ

Absolutley.... I will be posting the DIY probably before they come out... which to be honest, by the time i post it they will be out... HINT HINT

[Walked U]

I just came back from charlies house, and I can vouch for the power gains.

Saw the videos of the dynos and the power gains are amazing. I cant wait for the manufactured peices to come out, im sure they will be top notch.

Seems like some very promising product.

[jamb]

Can't wait to get one
CEA any ETA????

[CASHBY]

Originally Posted by jamb

Can't wait to get one
CEA any ETA????

You will have a set when they come out... we are actually going to start a group buy thread this weekend.

[533ogetnom]

hmm nice gains, cant say i like that you removed the cats , but nice besides that

you have an exhaust though right? there are plans on dynoing it on a stock car before its released right

[ES BMW]

Originally Posted by 533ogetnom

hmm nice gains, cant say i like that you removed the cats....

+1 on that! I'll wait for something that incorporates high-flow Cats before I think about changing the DPs. I didn't mind gutting the pre-cats on the S4 because the main cats were still fully functional and I still gained 20whp. But I'm not as concerned in beating the guy in the next lane as I am in trying to be a little environmentally conscious. [/treehuggermode]

[1clean335i]

good stuff.... keep me updated on it

[chris b.]

great job! cant wait to get these. sign me up.

cea-added you to aim.

[zenmaster]

But how much more boost is being produced? There should be much higher spikes without a pre-cat. Presumably a piggyback would need to be re-tuned for this.

[zenmaster]

Originally Posted by CanadianTSi

I'd say so, there aren't many cars out there that pick up 50lb/ft AT THE WHEELS!! with only Downpipe. Purely incredible gains.

These gains are not surprising. Take a look at other turbo cars that have their pre-cats removed. However, some or most of this additional power may be coming from the resulting higher boost spikes. The question is, how high does pressure spike now?

[pikkashoe]

So, for someone who doesnt want to take the cats out, just get the down pipes, how much are we looking at in terms of gains if you had to guess CEA.

Also how long is the install? Is it really involved? Im very curious, as I want to see what my Procede would put out with down pipes, as Im running 93 octane. But I dont want to touch the cats, I like the low key exhaust volume and tone I have now. How much louder would it be, with the stock cats still on there?

[issorcio]

Originally Posted by CEA 3

for all 335's. Manual, Auto, sedan, coupe.... any 335.

Does this will fit also the touring version E91 335i?

Thanks.

[LACA335i]

Originally Posted by CEA 3

Guys, I have not been this excited since PROcede came out and I am more than excited to share this information with you.

For the passed month I have been working with Riss Racing to help Develop products for the 335. (been droping hints all over the forum, but didnt want to release anything yet) The first idea that came to mind (well a lot came to mind) was to develope downpipes. We all know how restrictive the stock downpipes are having 2 huge cats on them as well as the small piping and crushed bends restricting exhaust flow! This I'm sure you all know that stock downpipes restrict our turbos and cause a lot of back pressure...etc

The passed couple weeks have been crazy spending night and day fabricating the downpipes for the 335, taking them off and on, off and on to make sure fitment is perfect!

As of now there is only one company to offer downpipes for the 335 and they currently sell them for 2800 dollars. Our idea was to make a product that is going to make more power and be cheaper to all BMW enthusiasts! I mean just because we have a BMW doesn't mean we should pay ridiculous prices!

We have Successfully Developed a perfect Prototype and it is ready for Mass Production.

Specs:
-Catless... These Downpipes REMOVE FACTORY CATS
-304 Stainless Steal
-Complete Mandrel Bend piping throughout downpipe
-3inch diameter Piping which tappers to 2.75inch at the end and has machined welded 2.5 universal flange to bolt to the stock/aftermarket exhaust systems.
-3 inch machined welded laser cut flanges to bolt to stock turbo and utilize stock band.
-Machine welded 02 sensor bungs for both pre and post 02 sensors
-3rd machine welded 02 sensor bung for anyone that would like to run a wide band...there is a bolt that plugs this if you do not want to use the 3rd bung.

Answers to questions that I know will come up... That I can help with
Is there a Check Engine Light?.... NO! Weeks of testing and no check engine light, both with and without PROcede.

Does 3 inch fit? Yes, we have successfully made 3 inches fit with no rubbing, touching, etc. Clearance is perfect, and to be honest there is more room now than there was with stock (having their bends and cats)! Also keep in mind at the end of the downpipe they tapper to 2.75 inches for perfect fitment to stock exhaust system

And the Real Question!!!
HOW MUCH POWER DO THEY MAKE OVER STOCK!?? Well this is the exciting part!

Here are all the Details on Before and After Dyno with just our first set prototype downpipes.

STOCK car STOCK DOWNPIPES secondary cats removed.
I DYNO my car STOCK with ZERO modifications on a DYNOJET.
Run Conditions: 69.9F Humidity: 42%
SAE with 1.0 CF and smoothing 5
76 pump gas
Max Power: 269.74 WHP
Max Torque: 279.33WTQ

STOCK car with Riss Racing 3inch Downpipes and NO PROCEDE on DYNOJET... We wanted to show true gains over stock!
Run Conditions: 89.4F Humidity: 26%
SAE with 1.0 CF and smoothing 5
76 pump gas
Max Power: 296.94- 26.7 Wheel HP increase OVER STOCK!
Max Torque: 328.68- 49.3 Wheel TQ increase OVER STOCK!
Again this is without PROcede or any other "chip".

We have 3 graphs to show everyone so there is no skepticism on it being SAE, STD, or uncorrected. WE are going to post all three so there is no controversy on the numbers being inflated...but for now to let you know STD was 304.05whp and 336.54wtq... and Uncorrected was 297.89whp and 329.72wtq.

We saw consistently 296whp SAE on all pulls and TQ started to drop a bit when car was getting heat soaked and hotter.

We Video Taped Every DYNO pull and showed the computer after the pull to show numbers and it being SAE, STD, and uncorrected... as well as showing the car with NO procede.... you'll actually see me holding PROcede in my hand in front of the camera after the pulls

IT would be great if Shiv can develope a map to really take advantage of these downpipes and make more power!! Shiv let us know what you think?

They will be posting the DYNO Graphs,Pictures and Videos ASAP as well as releasing information on time frame and Pricing (OK, I cant resist, they are being released very soon and for damn cheap!!)... I'm sorry I can not post them, They are going to post those themselves as they are new to the FORUM and want to show everyone what they are capable of offering the BMW Community for reasonable prices!

Remember these Gains are just with the Prototype and with the production piece we should see a bit better flow which might potentially make more power! We will know soon when the first batch comes

Enjoy, and please feel free to ask any questions or post comments!

You said it will have 2 02 sensor on the aftermarket downpip. Is this O2 sensor a dumbing sensor so it would not throw engine code? hey have you try to see if it pass the state Emission .....When time to smog check, i dont need to replace them.

[HyperM3]

Im in depending on price. Wow this is awesome.

I definitely want to retain my stock exhaust though since this is my daily driver. Im tired of loud exhaust. I know on the Audi's, putting on a DP(or testpipe) would make the exhaust sound extraordinarily louder. Will it just make stock exhaust throatier or will it make it annoying?

Thanks man!

[533ogetnom]

Originally Posted by LACA335i

You said it will have 2 02 sensor on the aftermarket downpip. Is this O2 sensor is a dumbing sensor so it would not throw engine code? hey have you try to see if it pass the state Emission .....When time to smog check, i dont need to replace them.

there is absolutely no chance of it passing smog tests dude

[zenmaster]

Originally Posted by 533ogetnom

there is absolutely no chance of it passing smog tests dude

With the stock cat, it may still pass emissions if it is hot enough.

[Acap14]

sweet..was waiting for this mod...but with all that said you left out the 2nd most important thing....the price tag.

[NPDAN]

CEA for president!!!!!!!

[radgator1]

Originally Posted by zenmaster

With the stock cat, it may still pass emissions if it is hot enough.

The stock primary cats are in the DP. Once removed it is highly unlikely that the car will pass a smog test however since they are bolt ons and you only have to smog once every 4 years or so (in Cali) it is a non-issue here. What I dont understand is why the car doesn't throw a CEL

[zenmaster]

Originally Posted by radgator1

The stock primary cats are in the DP.

Thanks. I thought the secondary (pre-cat) was in the downpipe.