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Hello,

I'm looking to restore any lost power to my 2003 HSE and perhaps add a couple extra ponies. The truck only has 53k miles, so it is relatively low for a 2003, but it did serve its first 6 years in ocean areas so there is a lot of corrosion and gunk...

I just put Mobile1 5W/30 and I know the air filter needs to be changed. Any recommendations on a good filer to replace the OEM one with?

How about the spark plugs? Worth replacing, perhaps with slightly colder ones?

Is there anything else I can do to restore some performance and perhaps gain a few more??


Thanks,

Mike
 

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It all depends on what your goal is. If you are trying to make your RR into a Ferrari, good luck.

Inexpensive options:
K&N Airfilter or Cold air intake

Expensive options:
Cam
Custom tuning
New injectors
Supercharger
Port and polish heads
 
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