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Old 08 August 2010, 04:59 PM
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ginger321
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Default quieter 3" bore exhaust

hi all

This has probably been asked before...... Can anyone recommend a quieter 3" bore exhaust than an HKS Hi Power thats on my sti 5.

Maybe im getting old but I cant hold a conversation with the missus (bonus) when speeds get above 65mph. I dont want to loose power as the cars mapped by andy forrest on a 3" system.

around town its great, a proper noise for a fast car. However motorways an dual carriageways its just too much. It Booms an drones.
Old 08 August 2010, 05:44 PM
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Devious
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revolution or milteck systems are true 3" systems but arent too loud
Old 08 August 2010, 06:50 PM
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Scooby Dan
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RCM system with the centre resonator box is pretty quiet too.
Old 08 August 2010, 07:03 PM
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JP4
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Give Matt @ Exhaustsuk a call and ask about their Cobra track day system. I swapped over to that in order to lower the overall sound and means I can take it to places like Bruntingthorpe as they have noise restrictions. It certainly works as I would not have been able to achieve 631.2 bhp!
Old 08 August 2010, 09:37 PM
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midnight
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What size bore is your tailpipe ,as there are various bungs available depending on what size you require to quieten the car down to save the drone on long journeys , and easily removed for town driving . Saves shelling out for a new system IMHO .
Old 09 August 2010, 12:07 PM
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ginger321
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thought about the bung idea mate, had one in my ninja 1 back box on my 98 classic an it didnt feel right. Was quieter but the bung effect didnt appeal when I was driving. Suppose I cant get the best of both worlds!!
The HKS Hi power is angled an hangs lower as well and often gets scrapped on speed bumps and ramps into car parks as its sitting V Low on tein coilovers.
Think ill get a revolution cat back...... or save money get a bung an raise the ride height.

I used to be in decisive, now im not so sure!
Old 09 August 2010, 12:16 PM
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stevep360
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i've just put a revolution cat back on and its got a nice sound but is also quiet. Did a 50 mile run on A roads yesterday with little-un in back and it was sensible, sounded as quiet as the prodrive exhaust on my last car. Would defo recommend
Old 09 August 2010, 02:35 PM
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SkydiveMacca
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+ 1 for speaking to ExhaustsUK.com - I have the track system as well. Speced mine as a 3" de-cat system, with 4.5" slash cut tail.

Looks awesome and sounds fantastic. Nice low scooby burble, but not so loud that it gives you a headache. Really, really chuffed with mine, plus, their customer service is excellent
Old 09 August 2010, 03:01 PM
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Revolution all day long, had their full system on my P1, deep sound but not loud and not growly on the motorway.
Old 09 August 2010, 04:29 PM
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i have the rcm system on mine,at the last grudgment day at elvington it measured in at a very low 78db.a quality system that has a great sound when on boost but is quiet enough to live with everyday.
Old 09 August 2010, 09:36 PM
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ginger321
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cheers guys

now im even more indecisive.

does the miltek system fit to any aftermarket downpipe or would I need the full Milltek from the turbo back?

Think the revolution system sounds the best bet, is it a 3" bore though?
Old 10 August 2010, 12:01 AM
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yes the revolution is a 3" bore all the way through chap! My P1 made good power with one of these on
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