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#1 |
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Registered User
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I am currently running
HKS Hi-power exhaust invidia test pipes (cat delete) there is a slight rasp and metal vibration sound when i accelerate and hit around 4.5k-5k rpms and also when i decelerate. possible solutions 1.would aftermarket headers help? 2.change to a different test pipe? 3.change y-pipe? any help would be appreciated! thanks in advance pics of exhaust and test pipe im running ![]()
Last edited by chad_z33; 11-07-2009 at 05:51 PM. |
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#2 |
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Shill Account
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put your cats back on or get hfc's. /end thread.
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Vortech SC Z- 403rwhp, 327rwtq |
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#3 |
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+1 And putting headers would create even more rasp.
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03 5AT *Enkei*AEM*Kinetix*Greddy*Dynotune*Topspeed*XO2*
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#4 |
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Yep, put back the stock cats or hack that system up with a resonator or x-pipe.
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2004 350z (sold) || 2002 Maxima |
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#5 |
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Sponsor
Z1 Motorsports |
Adding resonators would be the solution to allow you to keep your current system. Other than that installing high flow cats or your OEM cats in place of the test pipes is the only real option.
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#6 |
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thanks for all the help.so would the berks hfc be a good choice?i love the way my z sounds now besides the rasp.i didnt like how quiet it was with the stock cats.would the berks hfc keep the tone?or will it sound like the stock cats?
Last edited by chad_z33; 11-10-2009 at 01:17 AM. |
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#7 |
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Shill Account
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it would be somewhere in the middle between stock cats and test pipes. berks is a good brand for hfc's as well as crawford.
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Vortech SC Z- 403rwhp, 327rwtq |
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#8 |
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#9 |
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Rasp are you kiddin me? You should have a little rasp,
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#10 |
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Im that Guy
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Wow ur a tool
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Exhaust Whore |
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#11 |
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Registered User
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Im with the others on getting the HFC's.
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2004 Silverstone Touring ZR 6 Spd, burnt orange/black vented seats, JDM Clear Reflectors, S2K Antenna, RS*R Exmag GTII, Motordyne 5/16 Iso Thermal Spacer, JWT Popcharger, Unorthodox Racing Underdrive Crank Pulley, 30% Tint, tail light overlays, Hawk HPS pads, Kenwood DNX 7100 NAV/DVD, Seibon VS2 Carbon Hood. |
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#12 |
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Registered User
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#13 |
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Registered User
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I feel jwr777 will not last long here...
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2004 Silverstone Touring ZR 6 Spd, burnt orange/black vented seats, JDM Clear Reflectors, S2K Antenna, RS*R Exmag GTII, Motordyne 5/16 Iso Thermal Spacer, JWT Popcharger, Unorthodox Racing Underdrive Crank Pulley, 30% Tint, tail light overlays, Hawk HPS pads, Kenwood DNX 7100 NAV/DVD, Seibon VS2 Carbon Hood. |
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#14 |
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Sorry guys but I don't think rasp is bad as long as you have a lower tone along with it.
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#15 |
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Registered User
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i always wondered about the metal sound when i decelerate too...it may just be a slight exhaust leak...i never found mine but it doesn't bother me
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'03 Track Brickyard, K&N CAI, HKS Hi Power Exhaust |
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#16 |
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hey man, i had your same set up as far as test pipes and HKS exhaust go and one of the test pipes cracked...i would just keep an eye out...the shop said it was because they had no brackets and it puts strain on the test pipe....back to my stock cats i guess..
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'03 Track Brickyard, K&N CAI, HKS Hi Power Exhaust |
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