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thstone · 12-20-2015, 04:34 PM

Here is how to get +25 hp out of a stock M96 engine at a cost of $1,505 ($60/hp);

Softronic ECU Tune = 15hp (Porsche 986 Boxster Performance Software Tuning Flash)
TopSpeed Pro 1 Cat Back Exhaust = 6-7hp (TopSpeedAuto Porsche 986 97-04 Performance Exhaust System)
RSS Underdrive Pulley = 4-5hp (

12-20-2015, 04:34 PM	#6
thstone Certified Boxster Addict Join Date: Nov 2010 Location: Los Angeles Posts: 7,669	Here is how to get +25 hp out of a stock M96 engine at a cost of $1,505 ($60/hp); Softronic ECU Tune = 15hp (Porsche 986 Boxster Performance Software Tuning Flash) TopSpeed Pro 1 Cat Back Exhaust = 6-7hp (TopSpeedAuto Porsche 986 97-04 Performance Exhaust System) RSS Underdrive Pulley = 4-5hp (RSS Underdrive Pulley Short Belt Combo) __________________ 1999 996 C2 - sold - bought back - sold for more 1997 Spec Boxster BSR #254 1979 911 SC POC Licensed DE/TT Instructor Last edited by thstone; 12-20-2015 at 04:38 PM.