Jdm twin scroll question
#1
Jdm twin scroll question
Hi quick question on the earlier v8 Sti jdm vf37 cars they had a single cat down pipe with bellmouth entry as standard can these down pipes make around 335hp 350ft with a aftermarket cat back ? Or do they really need a 3inch down pipe ?
Regards.
Regards.
#6
Any one know where you can buy a decat twin scroll with a 2.5 donut style fitting and the cat back end?
all the Rcm and millteks are 3inch flat face flanges.
if not il just use the stock oem single cat . Didn’t realise the oem cat was a bellmouth style not like the older single scroll that are plate with just one hole.
all the Rcm and millteks are 3inch flat face flanges.
if not il just use the stock oem single cat . Didn’t realise the oem cat was a bellmouth style not like the older single scroll that are plate with just one hole.
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