RASP Reduction - on Euro setup

[simplem3]

Found a thread that already discussed my original inquiry. Link attached below

[ATB88]

Saaame. Running SSV1 headers and V1 catted sec 1, stock sec 2 and 3. Though I’m afraid that any effective solution requires modification to my extremely pricey catted sec 1 ://

[simplem3]

I found a thread that suggested adding this so I deleted this thread since it’s already been discussed:

https://x-ph.com/supersprint-e46-m3-stainless-center-x-pipe-resonated-787503/?sku=787503&gad_source=1&gad_campaignid=2059860213&gbraid=0AAAAADoXlFi92BciYqt8kl11rr9UZmHg8

[ATB88]

Link to thread? I thought that I had remembered reading somewhere that there’s a small torque and power loss using a 2:1:2 pipe like that one rather than the standard two pipe sec 2 with a small merge box?

[simplem3]

Link to thread? I thought that I had remembered reading somewhere that there’s a small torque and power loss using a 2:1:2 pipe like that one rather than the standard two pipe sec 2 with a small merge box?

https://nam3forum.com/forums/forum/main-forum/e46-2001-2006/60967-supersprint-resonated-section-2-worth-it