ColinS Posted November 9, 2008 Share Posted November 9, 2008 Can anyone help with finding silenced de-cat pipes for my HR? Quote Link to comment Share on other sites More sharing options...
Kwame@z1 Posted November 10, 2008 Share Posted November 10, 2008 Is this what you are looking for Colin? http://z1auto.com/prodmore.asp?model=35 ... rodid=3030 Quote Link to comment Share on other sites More sharing options...
Pingu2 Posted November 10, 2008 Share Posted November 10, 2008 hmm those will hardly be silenced? do you mean high-flow cats? Quote Link to comment Share on other sites More sharing options...
Chris`I Posted November 10, 2008 Share Posted November 10, 2008 Dont think I've ever heard of silenced de-cats Hi-flow cats will be your best bet mate if you're not going FI. De-cats will loose you back pressure and low down torque. Hi-flow will keep some back pressure and also be MOTable Quote Link to comment Share on other sites More sharing options...
ColinS Posted November 10, 2008 Author Share Posted November 10, 2008 Is this what you are looking for Colin? http://z1auto.com/prodmore.asp?model=35 ... rodid=3030 Kwame, was looking for resonated ones buddy. Something like these but for the HR: http://www.z1auto.com/prodmore.asp?mode ... rodid=2840 and i spoke to my dealer today, they said they'd phone me back so i'll let you know as soon as they do. Quote Link to comment Share on other sites More sharing options...
Pingu2 Posted November 10, 2008 Share Posted November 10, 2008 well they are hardly silenced either ! Quote Link to comment Share on other sites More sharing options...
ColinS Posted November 14, 2008 Author Share Posted November 14, 2008 Pingu, they are actually. Takes most if not all of the rasp away compaired to standard pipes. Quote Link to comment Share on other sites More sharing options...
Pingu2 Posted November 14, 2008 Share Posted November 14, 2008 we will see! Quote Link to comment Share on other sites More sharing options...
Stew Posted November 14, 2008 Share Posted November 14, 2008 You not concerned about losing torque with these? Quote Link to comment Share on other sites More sharing options...
Adam@Z1auto.com Posted November 14, 2008 Share Posted November 14, 2008 resonated quite honestly are a waste (I have them in my car!) - no quieter than std test pipes torque loss - toss that theory out the window. If you want to increase the flow but not substantially increase overall volume, high flow cats are the way to go. Quote Link to comment Share on other sites More sharing options...
ColinS Posted November 15, 2008 Author Share Posted November 15, 2008 I just don't want a rasp which full test pipes give you. Quote Link to comment Share on other sites More sharing options...
Adam@Z1auto.com Posted November 15, 2008 Share Posted November 15, 2008 rasp is as much a function of the catback you use TBH if you want to avoid rasp altogether, then you must stick to certain exhausts. At the same time, if you remove the stock cats, you must be willing to trade a bit of rasp for flow, it's just how it is Quote Link to comment Share on other sites More sharing options...
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