straight pipe
Thread Starter
Senior Member
Joined: Sep 2000
Posts: 2,835
what kidn of performance gains would one expect from a straight pipe that replaced the cat? i'm thinking of picking one up on ebay for the $25 that is costs and swapping out my cat for the pipe when I go to the tracks.
any info?
any info?
Senior Member
Joined: Aug 2000
Posts: 675
extremely minimal. as a matter of fact you'll only see about 2-3hp in the high RPM range, and you'll lose low end TQ. So you'll be slower off the line from the light to the 60 foot mark, then about half track when you have momentum going you'll be just slightly faster in MPH only. Remeber this..
TQ = FAST E.T. in the 1/4mi.
HP = MPH speed at the end of the track.
I personally would do a Y-pipe of your choice *cough cattman*, and then get a 2.25" cat back into a REMUS or 2000 maxima SE muffler and get a high flow cat like the carsound cat. The muffler and the cat will keep enough backpressure to keep your TQ constant while the Y-pipe and catback will allow the engine to rev faster and make good use of that TQ.
Also note.. TQ (X) RPM = HP considering our 600-6500 rpm redline, we need all the TQ we can get
TQ = FAST E.T. in the 1/4mi.
HP = MPH speed at the end of the track.
I personally would do a Y-pipe of your choice *cough cattman*, and then get a 2.25" cat back into a REMUS or 2000 maxima SE muffler and get a high flow cat like the carsound cat. The muffler and the cat will keep enough backpressure to keep your TQ constant while the Y-pipe and catback will allow the engine to rev faster and make good use of that TQ.
Also note.. TQ (X) RPM = HP considering our 600-6500 rpm redline, we need all the TQ we can get
Pusssseeeehhhh
Joined: Dec 2000
Posts: 2,001
Originally posted by Mr. Rose
extremely minimal. as a matter of fact you'll only see about 2-3hp in the high RPM range, and you'll lose low end TQ. So you'll be slower off the line from the light to the 60 foot mark, then about half track when you have momentum going you'll be just slightly faster in MPH only. Remeber this..
TQ = FAST E.T. in the 1/4mi.
HP = MPH speed at the end of the track.
I personally would do a Y-pipe of your choice *cough cattman*, and then get a 2.25" cat back into a REMUS or 2000 maxima SE muffler and get a high flow cat like the carsound cat. The muffler and the cat will keep enough backpressure to keep your TQ constant while the Y-pipe and catback will allow the engine to rev faster and make good use of that TQ.
Also note.. TQ (X) RPM = HP considering our 600-6500 rpm redline, we need all the TQ we can get
extremely minimal. as a matter of fact you'll only see about 2-3hp in the high RPM range, and you'll lose low end TQ. So you'll be slower off the line from the light to the 60 foot mark, then about half track when you have momentum going you'll be just slightly faster in MPH only. Remeber this..
TQ = FAST E.T. in the 1/4mi.
HP = MPH speed at the end of the track.
I personally would do a Y-pipe of your choice *cough cattman*, and then get a 2.25" cat back into a REMUS or 2000 maxima SE muffler and get a high flow cat like the carsound cat. The muffler and the cat will keep enough backpressure to keep your TQ constant while the Y-pipe and catback will allow the engine to rev faster and make good use of that TQ.
Also note.. TQ (X) RPM = HP considering our 600-6500 rpm redline, we need all the TQ we can get
Member
Joined: May 2001
Posts: 80
Originally posted by maxse91
i agree fully with Mr.Rose, while hollowing out my cat was not the best option i still noticed quicker revs......
i agree fully with Mr.Rose, while hollowing out my cat was not the best option i still noticed quicker revs......
Senior Member
Joined: Jan 2001
Posts: 445
From: Omaha, NE
Originally posted by Mr. Rose
extremely minimal. as a matter of fact you'll only see about 2-3hp in the high RPM range, and you'll lose low end TQ. So you'll be slower off the line from the light to the 60 foot mark, then about half track when you have momentum going you'll be just slightly faster in MPH only. Remeber this..
TQ = FAST E.T. in the 1/4mi.
HP = MPH speed at the end of the track.
I personally would do a Y-pipe of your choice *cough cattman*, and then get a 2.25" cat back into a REMUS or 2000 maxima SE muffler and get a high flow cat like the carsound cat. The muffler and the cat will keep enough backpressure to keep your TQ constant while the Y-pipe and catback will allow the engine to rev faster and make good use of that TQ.
Also note.. TQ (X) RPM = HP considering our 600-6500 rpm redline, we need all the TQ we can get
extremely minimal. as a matter of fact you'll only see about 2-3hp in the high RPM range, and you'll lose low end TQ. So you'll be slower off the line from the light to the 60 foot mark, then about half track when you have momentum going you'll be just slightly faster in MPH only. Remeber this..
TQ = FAST E.T. in the 1/4mi.
HP = MPH speed at the end of the track.
I personally would do a Y-pipe of your choice *cough cattman*, and then get a 2.25" cat back into a REMUS or 2000 maxima SE muffler and get a high flow cat like the carsound cat. The muffler and the cat will keep enough backpressure to keep your TQ constant while the Y-pipe and catback will allow the engine to rev faster and make good use of that TQ.
Also note.. TQ (X) RPM = HP considering our 600-6500 rpm redline, we need all the TQ we can get
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