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3.2l Vr6 headers Audi TT

7K views 10 replies 3 participants last post by  kgw 
Hello just looking for some input on custom header configuration.
So my flex pipes are leaking and I need to fix them.
The only info I found was it's not worth it for the money at least for the 12 valve. I've heard the 24 valve flows a lot better
My plan is to use 1.75" primaries or maybe a little bit bigger any thoughts? Ill have two 3 to 1 collectors and run dual pipes to the back because I have 4 total O2 sensors

If I make the primaries unequal length matching up to the unequal exhaust runners in the head would that equal out to equal length headers?

If I make equal length primaries would that become unequal because of the unequal exhaust runners in the head?

If I matched up the short exhaust runners in the head with the short primary tubes would it sound like a Subaru?

I do not have a Dyno but I like to keep performance in mind. I'm thinking matching up the short exhaust port runner and longer primary tube would be the best but short on short would probably sound pretty cool.

Any input will be considered thanks


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I've been looking for info on performance upgrades on my 08 TT 3.2l but when I usually ask I get crickets and most say that it's a useless endeavor trying to get power out of this motor. There's a guy on Facebook though that claims he got close to 300hp/tq to the wheels mainly with a custom dual exhaust set up and another post I found a while back where a guy claims to have gotten power by modifying the oe intake manifold and another guy who had a custom adapter made to fit the 3.6l intakenmanifold onto the 3.2l head. Most seem to think that the bottle neck is the intake manifold. Anyway I found longtube headers for the 03 - 08 Audi A3 Quattro and 07-09 Mkv R32 that should fit the Mk2 TT. I'm thinking that with a custom dual exhaust should yield some good hp/tq along with a good coldair intake and tune.
 
For street use ;), 268/264 cams, downpipes, HFC, 2 1/2" exhaust, United Motorsports ecu tune is good for 240 whp.
If that's not enough, spend the big money for the big turbo :whistle:!
Who sales those cams, Techtonics, Shrick? I haven't seen any downpipes/Hfc particular to the 8J 3.2l TT. It's already sounding like the hp to dollar ratio is horrible lol. There's gotta be a way to get atleast 260whp with bolt ons & tuning.
 
MK 5 downpipes, MK 4 HFC assembly (see below) mate right up, with the addition of less than 12" of pipe to the muffler end to connect to the catback system. The TT might not even need the extra length, but it's a simple add.

Naturally aspirated motors actually lose hp with larger tubes...

A group buy several years ago for Schricks went through a performance shop in B.C., but their website is gone. Have you checked with Four Seasons Tuning? Four Season Tuning Do a search on Schrick on the R32 forum: lots of info there.

240 whp is a step up from 190 whp, which is what the 24v VR6 puts down.

"There's gotta be a way to get atleast 260whp with bolt ons & tuning." There is...Turbo, but it requires deep pockets, and lots of maintenance. 🔧
Yeah looks like a 3.6l swap might be the way to go if I wanna stay NA. I just can't find enough specific, detailed information on doing it. My car is an 08 TT quattro 3.2l so I want to know if I only need the motor or motor trans, rear diff etc...
 
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