Get rid of it! Combined with an upgraded exhaust, you will see definite gains. Maybe up to 30 hp or more, thats about what I got on my talon. BTW, that 30 hp for both,not just for the cat. Ive been waiting for someone who doesnt have to worry about emmisions to rip the cat out to see what kind of gains we can get from it. Oh, and you have it backwards, turbo engines do NOT need backpressure. The less backpressure, the faster it will spool.
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90 Eagle Talon Tsi AWD - 300 Hp -K&N, 16g turbo, JE pistons, 3in Turbo back exhaust, mild port&polish
03 PT Cruiser GT - 215 Hp-Airbox and Intake pipe silencers removed
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