PPP Sports Cats
22 August 2005, 03:24 PM
#1
PPP Sports Cats
Does anyone know the spec of the first 'Sports' cats fitted as part of the PPP.
Do they have an open neck at turbo flange ? Anyone know the density of the cat itself ?
Do they have an open neck at turbo flange ? Anyone know the density of the cat itself ?
22 August 2005, 03:57 PM
#2
info direct from Prodrive:
The downpipe as fitted to the P1 is indentical to any other downpipe on a UK turbo other than having a higher precious metal loading on the substrate which means that it has a better catalysing effect. This means that the other cat that would normally be fitted is no longer needed giving better engine performance.
The downpipe as fitted to the P1 is indentical to any other downpipe on a UK turbo other than having a higher precious metal loading on the substrate which means that it has a better catalysing effect. This means that the other cat that would normally be fitted is no longer needed giving better engine performance.
22 August 2005, 09:41 PM
#3
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The cat fitted to the P1 isn't a sports cat.
The only sports cats used are the ones fitted to the PPP on the MY02-05 STI only. Not sure exactly what the cell rating is on these but Mike Wood of Prodrive has said they perform as good as a decat.
The only sports cats used are the ones fitted to the PPP on the MY02-05 STI only. Not sure exactly what the cell rating is on these but Mike Wood of Prodrive has said they perform as good as a decat.
22 August 2005, 10:55 PM
#4
There are two different types of PPP sports cat downpipe for the newage STi's:
2002-2004 STi's had a twin-dump, divorced arrangement.
WR1 and 2005 STi's have an open neck, bell-mouth with a splitter, similar to the APS turbo outlet.
Density - Unknown, but the WR1 did produce more power than the earlier cars -due to mapping as well as new style downpipe !
2002-2004 STi's had a twin-dump, divorced arrangement.
WR1 and 2005 STi's have an open neck, bell-mouth with a splitter, similar to the APS turbo outlet.
Density - Unknown, but the WR1 did produce more power than the earlier cars -due to mapping as well as new style downpipe !
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