Originally Posted by billc
On my DE with S3s, the 60mm HKS exhaust held back 3 to 5 WHP across a broad range of RPMs in a direct comparison to a 2.5" system with Magnaflow resonator and muffler.
As a result, in my opinion, you are much better off with a full 2.5" exhaust for any VE.
On my DE with S3s, the 60mm HKS exhaust held back 3 to 5 WHP across a broad range of RPMs in a direct comparison to a 2.5" system with Magnaflow resonator and muffler.
As a result, in my opinion, you are much better off with a full 2.5" exhaust for any VE.
Saw similar gains with the HKS vs. an exhaust cutout in place of the cat on a basically stock VE. I didn't choose the HKS for maximum hp but did for OEM fit, stealthy look and quiet sound.