Running test pipes without rasp
#1
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Thread Starter
Running test pipes without rasp
Hey so I've been through all of the posts here about test pipes and rasp...but no one seems to say anything other than to get rid of them. I work for Mercedes and talked to a fellow mechanic about any fixes and he told me a few things.
I just want to see if anyone out there might be running the same setup as me and was able to get rid of the rasp
Long tube cai k&n
Hks replica exhaust
Berk test pipes
Headers (not in yet)
He told me that I've opened up this airflow and eliminated my back pressure. He said that when I put on the am headers (stock is more restrictive) that it will help the tone and get ride of some rasp. He also stated that the car is tuned stock...so having a car that is tuned daily trying to be run on the track, I will run into sound and performance issues. He ultimately said that after putting in headers and tuning it professionally I will get rid of the rasp. Or at least get it to subside
Let me know what you all think and those of you who have successfully gotten rid of this sh** can sound, please chime in
First post also
Thanks
David
I just want to see if anyone out there might be running the same setup as me and was able to get rid of the rasp
Long tube cai k&n
Hks replica exhaust
Berk test pipes
Headers (not in yet)
He told me that I've opened up this airflow and eliminated my back pressure. He said that when I put on the am headers (stock is more restrictive) that it will help the tone and get ride of some rasp. He also stated that the car is tuned stock...so having a car that is tuned daily trying to be run on the track, I will run into sound and performance issues. He ultimately said that after putting in headers and tuning it professionally I will get rid of the rasp. Or at least get it to subside
Let me know what you all think and those of you who have successfully gotten rid of this sh** can sound, please chime in
First post also
Thanks
David
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z33z_nutz (09-14-2015)
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z33z_nutz (09-14-2015)
#4
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Thanks for quick responses travlee and rancor
I'm thinking of throwing on my headers and seeing if it helps at all. Guessing it won't. If that is the case I'll keep those on and throw my cats back on. While I'm on the rasp topic , will removing my stock headers and throwing on am headers give me the same raspy tone? I'm doing this for (what I thought would be) a much nicer exhaust tone...the gains to the wheels are almost unnoticeable besides throttle response. If they will just add to the fart can tone I will just avoid the struggle of putting them in
Thanks!
I'm thinking of throwing on my headers and seeing if it helps at all. Guessing it won't. If that is the case I'll keep those on and throw my cats back on. While I'm on the rasp topic , will removing my stock headers and throwing on am headers give me the same raspy tone? I'm doing this for (what I thought would be) a much nicer exhaust tone...the gains to the wheels are almost unnoticeable besides throttle response. If they will just add to the fart can tone I will just avoid the struggle of putting them in
Thanks!
#6
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Thread Starter
Were you running any specific tune for that?
I'm thinking of just getting hfc and throwing on the headers then tune. After my paycheck I'll decide if I want to commit to the hfc or go back to stock cats
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z33z_nutz (09-15-2015)
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z33z_nutz (09-15-2015)
#9
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Ok I think you all have helped me decide to just throw the headers on and stick with cats. Thanks everyone also for not roasting me on my first post
Stay frozty peeps
#11
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#14
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jdm-v35 (09-15-2015)
#17
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Haha ok I'll keep you posted. At Mercedes they use something called ALLdata which is some high end step by steps and he got the z headers printed out. Hopefully it's as easy as he says. But he also does this for a living haha
#19
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Wait, you're going from a 2.25/2.5 collector down to a 2ID cat? Ouch
#20
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