4.9 build
10-22-2012, 05:46 PM
#1
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4.9 build
I have a 4.9 with dual 2 in exhahst kn cold air intake taylor distrubutor cap and rotor taylor 8mm spark plug wires. Msd coil and 17 lb injectors. How much should i gain with all of this ?
10-28-2012, 11:08 PM
#2
Hi-Rev Motorsports
the dual 2in exhaust negates anything you've done..but it will definitely increase throttle response as long as you didnt kill the slow speed air volume with the exhaust