bolarbag Posted May 9, 2007 Share Posted May 9, 2007 OK got this through yesterday, pretty nice bit of kit, but how do i got about sourcing the Decats? Its has a bung(like a stepdown) to go from the 4inch to the 3inch leading up the downpipe, but how do I keep it the 4inch system? Without the bung the end of the centre section is basically just like the end of a pipe, no gasket type shape with holes for fitting to a decat, the bung just slips over the pipe and is held together with a clamp, I assume a similar decat pipe would have to do the same, is it going to have to be a custom jobby? Anyone have this exhaust and kept it as a 4inch... p.s this is to be linked to probably the HKS Manifold from the phr stage 2 kit, which I assume supports a 4inch downpipe! Quote Link to comment Share on other sites More sharing options...
Fish Posted May 9, 2007 Share Posted May 9, 2007 here's a link re the PHR 2 stage that may help you out - post 13 I think for Jarret sheds light on the downpipe sizes. http://www.mkivsupra.net/vbb/showthread.php?t=79458&highlight=turbo+upgrade HTHs Quote Link to comment Share on other sites More sharing options...
Wez Posted May 9, 2007 Share Posted May 9, 2007 Doesnt the HKS 4" system use V-Band clamps to hold it all together? Quote Link to comment Share on other sites More sharing options...
Andyhannah Posted May 9, 2007 Share Posted May 9, 2007 It does at the joint to decat/midpipe yeah Quote Link to comment Share on other sites More sharing options...
bolarbag Posted May 10, 2007 Author Share Posted May 10, 2007 here's a link re the PHR 2 stage that may help you out - post 13 I think for Jarret sheds light on the downpipe sizes. Cheers for that, so going from that, better to stick with the 3inch then? Doesnt the HKS 4" system use V-Band clamps to hold it all together? Apparently a great design allowing for more flex and expansion with heat Can anyone tell me what the sensor is after the lambda sensor on the Cat? Its the one nearest the cat and midpipe Quote Link to comment Share on other sites More sharing options...
Wez Posted May 10, 2007 Share Posted May 10, 2007 On a J-Spec that will prob be the Over Heat Sensor. Just poke it out the way somewhere Quote Link to comment Share on other sites More sharing options...
bolarbag Posted May 10, 2007 Author Share Posted May 10, 2007 Just poke it out the way somewhere lol seriously? Quote Link to comment Share on other sites More sharing options...
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