FS: G35/350Z Topspeed Pro1 exhaust low miles Philadelphia
#17
Originally Posted by Beebo
Back pressure... i guees thats the right way to say it haha
#19
ive done a serious exhaust switcharu im talking aam 3'' true dual then the nismo then a topspeed and i hate to say it but the 2.5'' is best for N/A engines because N/A doesnt compensate enough back pressure to produce for 3'' as to where a turbo engine does. why do you think turbo needs 3'' pipping minumum and theres people out there with 4''+ customer exhausts just to produce back pressure and keep there torque bands
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