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Cleans up engine bay for easier access and maintenance
These catalytic converters flow up to 93-95% of a straight pipe in most applications
the Maxflo Performance Exhaust System has been designed to be the optimal balance of sound
The RENNKRAFT® design allows the user to easily swap between a catted exhaust to cat bypass
Maserati Quattroporte XperTune Performance Software Diablo Cleans up engine bay forPerformance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air fuel ratios, and boost pressure (if applicable). NOTE: This is not a physical shipped product. This upgrade requires you to send us your ECU for re programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. POWER GAINS Maserati Quattroporte: Stock = 395
