Intake + Exhaust = what hp gains overall?

chrischhorn · 01-14-2013, 01:39 PM

Quote:

Originally Posted by MJB

Hfc's don't cause hardly any rasp if any. Remember, they still have a core in them, just not as large and more free flowing than stock cats. TPs are going to give you a ton of rasp depending on exhaust you have. I'm going to wrap my TPs and add smaller resonators on my Ark exhaust to get rid of some of it.

i had stillen hfc's and mine rasped quite a bit.......

MJB · 01-14-2013, 01:55 PM

Quote:

Originally Posted by chrischhorn

i had stillen hfc's and mine rasped quite a bit.......

You sure you aren't getting rasp and hiss mixed up. Because with hfc's you will get that hissing noise. And if you think you are getting rasp from your stillen cats than you are gonna love your tp's. Lol

I have the same headers you have with an Ark exhaust and TP's and it is ungodly loud and rasp like crazy.

chrischhorn · 01-14-2013, 04:38 PM

Quote:

Originally Posted by MJB

You sure you aren't getting rasp and hiss mixed up. Because with hfc's you will get that hissing noise. And if you think you are getting rasp from your stillen cats than you are gonna love your tp's. Lol

I have the same headers you have with an Ark exhaust and TP's and it is ungodly loud and rasp like crazy.

100% sure it was rasp and dont worry, im ready for worse lol. I got the resonated test pipes on the way but we both know it wont do much lol. rasp and the noise dont bother me much. I mean hell, its a racecar right?

the ark is a more loud exhaust but gawd i love the ark exhaust.... wish i stuck with my gut and went that route lol. but now F.I. is in the works lol.

SS_Firehawk · 01-14-2013, 05:22 PM

Quote:

Originally Posted by chrischhorn

100% sure it was rasp and dont worry, im ready for worse lol. I got the resonated test pipes on the way but we both know it wont do much lol. rasp and the noise dont bother me much. I mean hell, its a racecar right?

the ark is a more loud exhaust but gawd i love the ark exhaust.... wish i stuck with my gut and went that route lol. but now F.I. is in the works lol.

The M370 manifold will help with rasp believe it or not, not sure how, but it cleaned up my exhaust note. Having 18" resonators and exhaust cans will help too. I was worried with mine, but it was 99% gone after the intake manifold was installed. For kicks, I ordered a resonator for my Y pipe to play with too.

chrischhorn · 01-14-2013, 08:58 PM

Quote:

Originally Posted by SS_Firehawk

The M370 manifold will help with rasp believe it or not, not sure how, but it cleaned up my exhaust note. Having 18" resonators and exhaust cans will help too. I was worried with mine, but it was 99% gone after the intake manifold was installed. For kicks, I ordered a resonator for my Y pipe to play with too.

thats actually very exciting to hear! Ill be optioning for the 18" resonators when i order my F.I. exhaust but im quite intrigued on how the manifold reduces rasp.....engineers chime in please!

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