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The X seems to be working well. It allows more exhaust gas to enter and exit the X. We are happy with it so far. We havent been abale to get two cars with the same tunes to do a dyno comparison yet...

More of an equal merge, scavenging, and expansion for hot turbulent exhaust gas coming together across the X. Until we see back to back dyno comparison we cannot know for sure. Proof is in the...

I think the Stock exhaust is 2 1/2, some companies do 2 1/2 some do 2 3/4. Not sure. Did a BMC Filter, Tune, and that full catless exhaust. I need to get on the dyno and get some numbers.

A performance shop near me. I believe they're going into production on these and the E39 M5. Snapped the shots during the install. My buddy had it done on his E39 last summer, he turned them onto me.

Here is the new exhaust on my S65. 2 3/4", 304stainless, X-Pipe, and V-Banded. What I thought was reasonable pricing at $2500 from header back to the end of the car. I guess a couple hundred more...

Charge pipe is sold. Intake, Meth, and intercooler still available

Same boat my friend! Rock On

:facepalm So true I weep. Just like the S line. Good by to the day of quality renowned M products.

I think BMW needs to focus on their three main M lines and make them the absolute best they can be better then all. Enough of this non sense and all these different M models M4, M7, x5M, x6M yada...

Thank you sticky! Starts with a well designed and managed forum. Try to be as fair as possible on the pricing and I am a huge go fast guy so if these parts are sitting around id like to pass them on...

Might have an eye on an affordable, nice exhaust system, complete with X-Pipes. Will send pictures and Info when I get it this weekend. I know its slightly off topic but I know you have been looking...

Cooling Mist Meth Kit with flow sensor, 1 Gallon Tank, controller and complete harness's $300shipped

Big Front Mount W/ Piping painted stealth black for that total hidden sleeper look. Garrett...

Trying to b e just havent been able to dig up any SC info with headers for the S65

Well with a supercharger its hard to just bump the boost back up. You would have to got to another pully and retune. Non of this research has been done yet on the S65 though I dont think. George @...

I dont have the dynosheets and am not sure if there is any info online. Ive seen prob six different cars in person on the dyno make a pound or two less boost and less hp and torque with before and...

The exhaust is going to be fully catless and a complete exhaust not sure yet exactly which it will be yet. Prob will not do headers, because I have seen in the past and on many occasions upgraded...

Wow awesome to hear! I was going to wait for the supercharger and hit everything in one shot. I think you have changed my mind, I will purchase the software first i think.

Funny enough I had the...

Wheel spin from 2 - 3rd? Not doubting at all just questioning whether or not my car is down on power. Ventus V-12's no wheelspin at all not even in 2nd. All stock too though?

Def will test if needed.

I know I am in a def. need for a speed delimiter. I am sure if it were offered there are a ton of people that would purchase it as well. I know many people purchased it for the 1 and 3 series. It was...

Reasonably priced Catless fix and speed delimiter for the E9x M3 would be AWESOME!!! Please do!!

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Everyone seemed syc'd about it on the other forum too. That is plain crazy I cant even imagine even entertaining that price.

Again I would rather go wavetrac but majority rules I guess lets see some more feedback on it.

I am directly involved with wavtrac and they have a lower price however it seems most want quaife so far.