This is a discussion on Boost Creep within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Originally Posted by 116Fanatic So would a divorced catless downpipe help more in this situation vs. a bellmouth catless? Say...the ...
Last edited by Calvinball; 11-15-2012 at 05:56 PM.
First Mods: What to do and what not to do
Current Car: 2014 Golf TDI
Previous Cars:2012 WRB WRX Hatch, 2004 RSX-S, 1998 Grand Prix GTP
"Isn't it amazing how smart you feel when you just aren't being stupid?"
No, the different designs of the DP won't make a difference. Only the addition of a cat could help.
Why would you want to get a catless DP to begin with? Just trying to save a few bucks? They aren't going to limit your power versus the ones with a high-flow cat.
Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
'13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
'04 Porsche 911 Turbo GT2 clone 600 HP/TQ
'77 F-150 heavily modded for off-roading
They aren't going to limit your power versus the ones with a high-flow cat.
Depends on how much power. When you get up there a high-flow cat can have a pretty substantial effect on spool and response.. although for anyone at those power levels "boost creep" is a non issue because aftermarket turbos and EWGs.