Subject	2.5" to 3" exhaust loudness difference
Posted by	RonZ300 (Socal) on July 16, 2013 at 3:46 PM
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Message	Hey guys, Trying to decide which way to go as far as exhaust in the future. I have a SZ full 2.5" exhaust now with supersplits, hi flow cats, x-pipe, and resonators. Will definitely go 3" expansions but don't know whether to go full 3" back or 3" to 2.5" taper. With the latter i could keep my x-pipe and mufflers. So to me it comes down to loudness and HP gain as im sure i can sell the 2.5" mids and cat back if I go with the full 3". How much louder is a full 3" exhaust with 3" expansion pipes, resonators and hi flow main cats compared to that with 3" expansions, 3" to 2.5" midpipes with resonators and hi flow cats and 2.5" post cats? What would be the horsepower difference with the same comparison? My build will include the following: JWT 550s, JWT 400 cams, boost controller, selin dual intake, 2.5" intake/IC piping/TBs/ashpec V3 massives, MSP manis, JWT ECU full 91/100 tunes/and ill have VTC (i have a 96). I know this is subjective but any experience or info would be helpful Thanks in advance!
Follow Ups	2.5" to 3" exhaust loudness difference - RonZ300 (Socal) 15:46:17 07/16/13 Re: 2.5" to 3" exhaust loudness difference - ericgavinroberts 15:57:51 07/16/13 Hey Ron, I had the exact exhaust set-up you described (long) - lil'abner 16:04:18 07/16/13 Go full 3" SZ and be done with it, you'll thank us later.. (n/m) - Stanky 20:11:00 07/16/13 Here is my 3-2.5" SZ Exhaust sound - Piranha 04:08:01 07/17/13 For your intentions 3"-2.5" is fine. WHAT GREG SAID: - LivinTheDream 10:48:39 07/17/13 Well my 3" striaght pipe exhaust is very loud but.. - sdhsbaseball 11:07:15 07/17/13 I just made this swap not to long ago. - michaell32 (FL) 16:13:57 07/17/13 Thanks for the input all! (n/m) - RonZ300 (Socal) 20:07:39 07/17/13
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