Is a 3" from the turbo out to the back of the car straight through going to cuase over boosting(3tgteu)?, how much quicker will the ct20 spool against the 2" on the car at the mo and what increase would be expected?
im asking so that if need be i can get teh wastegate ported, car currently has 2", gutted cat and 3" tip off muffler, gets down to 1.5" on some of the bends tho