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how much u lookin too gain?? Catback exhaust, cold intake, full exhaust.
You will get maybe 5hp out of the cai and 10-15 out of the catback.
cheapest way is cold air intake, after market performance exhaust with xpipe, headers and catback mufflers, new plenum, throttle body, performance chip, performance pulleys, and many more. What kind of car?
Upgrade the intake, exhaust, and fuel injectors.
Cold Intake, Catback exhaust.... i guess it depends on how much u wanna spend!!
Turbo or Supercharger + K-PRO chip for ECU + Full catback exhaust + headers +intake upgrade+ K-PRO tuning job.
add intake chip from eBay and put an exhaust.
270 horsepower 300 with flowmaster duel exhaust, kn cold air intake, and skunk2 cams.
cold air intake, K & N airfilter dual exhaust
depends on rpm, intake and exhaust, manufacturer,type of fuel etc..
intake exhaust header kpro turbo supercharger
.004 intake.....006 exhaust