Daily Driver
Drag Racing Champion
- Location
- New York
- Car(s)
- 2020 GTI SE
Going from 3” catless DP to 4” catless DP = faster spool? I’ve read it made little/no difference.
I had a 3" DP and switched to a 4" DP = No difference, I thought I felt something but it was a placebo effect.
Here's the info your looking for.
Here's the Link
https://mygolfmk7.com/2022/01/trackslag-vs-arm-dp-street-data/