anyone driven a 5.5 L turbo "63" does it sound good?
It sounds 'good' but not as good as the NA 63. Down low you can't really tell it's a turbo charged motor. But the 5.5 is definitely less edgy at higher RPMs / downshifting.
There is certainly something to be said for hanging on to the NA '63 motor. With all marques going forced induction it's likely to be the last of its kind.
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Stock vs Stock:
The open bark on the 6.3 is stronger than the 5.5. The WOT was louder ever so slightly as well with the 6.3 but both to me were rather tame. I have a lot of modded cars and all of them have exhaust work done so stock is well... stock.
Modded:
I removed the post cats and the resonator on the 6.3 and the car became a beast no doubt but removing the resonator on the 5.5 made that car just as ferocious. The M157 engine in the TT coupled with a resonator removal is excellent. I almost like it better than I did my 6.3 modded. I may be biased owning 2 M157's currently but both have the resonators out and they roar and both have full cats still. Both my M157's and the 6.3 did not have any other engine or exhaust mods except OE Tunes.
Just my opinion as an owner of both engines. If any of you ever get the pleasure of owning an M157- do the resonator delete immediately.
Mine is catless downpipes and a DD.
Not saying that the 5.5TT does not sound mean and would not satisfy me. What I heard above sounds phenomenal.







