^^hmm.
Turbo WILL add quite a bit of weight.
They're not lightweight things - the exhaust housing on them is cast iron - and you'll maybe need to make the header pipes out of stronger / heavier steel than the standard ones, to support that weight without them cracking.
If you run intercooling you need to take the cooler into account as well... sure its only a few kg here and there, but it all adds up.
On the plus side you can completely ditch the exhaust system, past the turbo.
edit:
I'm sure the original poster knows this, coming from the modified car world... but for the rest of you...
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310rwhp 180sx for sale. most bolt ons (turbo, injectors, ecu, brakes, suspension, etc), $11k. pm for details
New to riding? Or group riding?
