How much noise with a HF cat and....
01-22-03, 05:37 AM
#1
Junior Member
Thread Starter
Join Date: Dec 2002
Location: HK
Posts: 20
Likes: 0
Received 0 Likes
on
0 Posts
How much noise with a HF cat and....
I was planning on puttin a High flow cat in my car. Just want to know how much more noisy my car will become after that? also do i need to port the wastegate with a highflow cat too or is it only with the midpipe?
01-22-03, 08:41 AM
#3
Senior Member
Join Date: Aug 2002
Location: Navarre, FL
Posts: 338
Likes: 0
Received 0 Likes
on
0 Posts
With a HF Cat and the RB dual tip, the car is a bit louder at idle and cruise conditions, but nothing offensive. It will draw attention when you get on the throttle though. That has it's own good and bad points 
Cheers,
Cheers,
01-22-03, 09:45 AM
#4
Senior Member
Join Date: Oct 2002
Location: Charlotte, NC
Posts: 276
Likes: 0
Received 0 Likes
on
0 Posts
With a HF Cat and the RB dual tip, the car is a bit louder at idle and cruise conditions, but nothing offensive. It will draw attention when you get on the throttle though. That has it's own good and bad points
01-22-03, 10:51 AM
#5
Originally posted by rx7machine
What's better to get.. a HF cat or a dp and mp? For more power and better reliability wise..
What's better to get.. a HF cat or a dp and mp? For more power and better reliability wise..
Trending Topics
01-22-03, 04:12 PM
#8
Senior Member
Join Date: Oct 2002
Location: Charlotte, NC
Posts: 276
Likes: 0
Received 0 Likes
on
0 Posts
Reliability wise? Well, IMO, the hi-flo cat. It has enough back pressure to keep boost creep from happening thus allowing you to control boost easier. However, a midpipe will give you better performance, but you have to be ready to deal with being able to control your boost (not to mention smelling like an exhaust pipe every time you drive your car).
01-22-03, 04:18 PM
#9
Originally posted by rx7machine
A boost controller would help the boose creep out, right? If I get the PFC, do I have to get a boost controller too, or will the PFC be able to do it? thanks.
A boost controller would help the boose creep out, right? If I get the PFC, do I have to get a boost controller too, or will the PFC be able to do it? thanks.
https://www.rx7club.com/forum/showth...hreadid=140920
01-22-03, 08:36 PM
#10
Senior Member
Join Date: Oct 2001
Location: Maryland, GERMANTOWN
Posts: 611
Likes: 0
Received 0 Likes
on
0 Posts
hey i have the apexi GT cat and a random tech main cat i didnt notice a diff in sound but i did notice that the stock main cat was deeper but its still loud as hell i have to turn up my radio
01-22-03, 09:20 PM
#11
Senior Member
Join Date: Jul 2002
Location: TX
Posts: 653
Likes: 0
Received 0 Likes
on
0 Posts
Get a midpipe, its lighter and much cheaper. I got no boost spike or creep with my mp and felt the power right away. Best mod I ever did. Only draw back is that there is no hook up for the airpump and its makes the garage smell. Oh yes and its gonna be louder than a hi flo cat, watch out at full boost cause it screems 
Thread
Thread Starter
Forum
Replies
Last Post
ls1swap
3rd Generation Specific (1993-2002)
12
10-01-15 07:58 PM