229, RE: What upgrades are best after a HRC turbo kit. Posted by Jeff_99gs, Dec-31-69 06:00 PM
A cat-back helps a lot in terms of performance with the turbo, and it looks and sounds nice too. MBC is almost a must, EGT and A/F guages are also really important to help prolong the life of your car. After that, it depends on how much boost you plan on running.
Jeff
http://gs.dsmpower.com
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