crazyjay1089 Posted March 25, 2007 Share Posted March 25, 2007 Catted v. Catless... Comparing aftermarket catless downpipes with high-flow catted downpipes, is there a significant difference in backpressure build up from one to the other? Is it noticeable? I don't mind spending the extra money on a catted pipe if the backpressure build-up is about the same as catless and you still get the benefits (no, i'm not a tree-hugger) of having a cat. Link to comment Share on other sites More sharing options...
johnAWD Posted March 25, 2007 Share Posted March 25, 2007 Go catted. Link to comment Share on other sites More sharing options...
itsme Posted March 25, 2007 Share Posted March 25, 2007 Most go catted to keep the smell down. Also people have reported turbo creep with no cat. Racer X FMIC for '05-'09 LGTs, '08+ WRX and '10+ LGT,'14+ FXT, and '15+ WRX TMIC Racerxengineering.com Link to comment Share on other sites More sharing options...
crazyjay1089 Posted March 26, 2007 Author Share Posted March 26, 2007 itsme, I didn't know that. I thought the catless versions were alot more popular, especially since there are so many catless choices. Are there any catted pipes other than the Cobb? Link to comment Share on other sites More sharing options...
itsme Posted March 26, 2007 Share Posted March 26, 2007 Autospeed is having a sale on Catted DP for $350. They have a deal now where you can get the cat back also for $650. So you can get a Turbo back for @$1000 goto the marketplace thread and look for autospeed. Also TDC (tdctunning.com) had a catted DP comming out for $350. I was on the TDC pre-order But, I already had a Crucial Coated shorty DP so I just used the shorty. If you get a shorty Dp you still keep your 3rd cat. You can pick shortys for around @$200. It all to just what are you trying to do? I'm stage 2 with a TDC map( TDC maps makes around 10 to 20 hp more then the stock cobb maps) that's tuned for my K&N typhoon intake. I have my shorty that is connected to a 3" hi flow cat, 3" Borla XR1 race muffler as resonator and splits to a Y to 2.25" magnaflow mufflers. No drone and quiet at cruise. One thing no one talk about with stage 2 is how much the stock suspension squat when the power jumps. If you got question let me know. Racer X FMIC for '05-'09 LGTs, '08+ WRX and '10+ LGT,'14+ FXT, and '15+ WRX TMIC Racerxengineering.com Link to comment Share on other sites More sharing options...
crazyjay1089 Posted March 26, 2007 Author Share Posted March 26, 2007 I'm trying to stay as much of a sleeper as possible. I don't think I want a TBE.. I'll see though. An UP/DP change will probably be first. Then maybe I'll get springs and sways. Thanks for your advice -- Link to comment Share on other sites More sharing options...
Rambo Posted March 29, 2007 Share Posted March 29, 2007 Just installed a perrin one piece catted. catted is the way to go. Link to comment Share on other sites More sharing options...
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