Subject	our results
Posted by	ztunerz on December 18, 2007 at 10:02 AM
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In Reply To	Open downpipes dyno? posted by inf on December 18, 2007 at 01:09 AM
Message	open dps loose power. No catback gained 21 whp and similar torque numbers at the 600 whp level with 2.5 inch exhaust. here was the setup. SZ 2.5 inch dp 2.5 inch tp 2.5 inch hks cb removing the hks cb gained us about 20 whp. i would say if there was a full 3 inch exhaust we would not have gained anything and the car would be more civilized. Since it was a race car noise level didn't matter. Harry Harry Formerly yellowzxtt " If it doesn't make it faster, i don't care " Please visit www.ztuner.com to GO FASTER
Follow Ups	Open downpipes dyno? - inf 01:09:03 12/18/07 starter melting & trans fluid over heating come to mind. (n/m) - Bernie (NoVA) 01:38:18 12/18/07 oops, i totally forgot about cut outs. (n/m) - inf 02:10:41 12/18/07 And for the record, dynos with less exhaust seem lower - SeedyROM 02:32:59 12/18/07 yup - inf 02:48:02 12/18/07 Same dyno? That'd be interesting to see - SeedyROM 03:13:45 12/18/07 ya - inf 03:16:26 12/18/07 Member M.U.L.E. - gainted 23 hp and 3 ft-lb of tourqe. - brahmabull (CT) 08:45:03 12/18/07 I had the DMH set-up with Sp500s, and the open vs closed - Scotts94z32 09:47:32 12/18/07 Member 1badz32 did it as well - Summeronthechain (MN) 10:42:11 12/18/07 Untuned his cutout gave him an extra 50whp at 14 psi. - brahmabull (CT) 11:11:03 12/18/07 our results - ztunerz 10:02:05 12/18/07 Which HKS exhaust? (n/m) - EricTTZ 10:48:36 12/18/07 hipower (n/m) - ztunerz 11:48:57 12/18/07 3" it is.. yay! (n/m) - nemo1080 13:48:02 12/18/07
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