997Current model of the 911 C2, C2s, C4, C4S, Targa and Cabriolet Discussion. Sponsored ByHRE Wheels
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I know that exhaust threads are common place, but I have searched for opinions on X-51 headers, Tubi Mufflers and AWE Cats but have only come up with one opinion. I already have the X-51 headers and Tubi Mufflers and love the sound. I would like to add the AWE Cats for increased power, but understand that it will also increase the sound. I am not scared of loud, but do not want it to sound terrible. Any one have this setup, or any opinions on it?
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As I recall someone described tubi with 200 cats as sounding "like a fire truck". And not in a good way. You may have to find out and report back.
I tried Tubis with AWE cats and thay sound appalling! Don't go there.... The Tubis do very little by way of silencing the exhaust - they rely on the inbuilt ability of the restrictive standard cats to do most of the silencing and just modify the resulting sound. With the standard cats they give you possibly the best sound you can get for these cars (but little or no extra BHP).
Swap in 200-cell motorsport cats with the Tubis and the car is close to open pipe. It just sounds like it has a bloody great big hole in the exhaust somewhere! Dire! Makes your Porsche sound like a tractor...
I have the full AWE system now. Didn't like it at first, but the sound's changing with miles and getting better by the day. It will never sound as good as a Tubi but it does make the car noticeably quicker.
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Ian
Manchester, UK
1999 C4 Black / Black - Sold
2002 C2 Basalt / Black - Aero Kit, PSE, 18" Carrera Wheels - Sold
2005 C2S Silver / Black - A few modifications!
I have the AWE cats and mufflers and it sounds fantastic (just installed this past weekend!). I chose the AWE full system b/c it's not as loud as the tubi or fabspeed offerings. Just thought it was worth pointing out that sound is significantly improved over the stock 997S over the entire powerband in all gears. It absolutely screams above 5000 RPM in 2nd and 3rd gear. Sorry this doesn't shed light on your question, but just wanted to post in case switching your current mufflers is a consideration.
__________________ 2008 997 C4S
Meteor Metallic, Terracotta/Black Interior, 19" HRE P43 Wheels, Sport Chrono Package, OEM Short Shifter GIAC ECU, EVO-MS V-Flow Air Intake, AWE Headers, AWE Cats, AWE Mufflers (stock tips)
turn up your speaker real loud... Mine sounds like that but Louder and more High Pitched... I love it and have been complimented about it many times...
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Now - 03 Volkswagen B5.5 Passat 1.8T Sedan
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Then - 00 Volkswagen Vapor Blue New Beetle 1.8T KO4 "Highly Modded"
I tried Tubis with AWE cats and thay sound appalling! Don't go there.... The Tubis do very little by way of silencing the exhaust - they rely on the inbuilt ability of the restrictive standard cats to do most of the silencing and just modify the resulting sound. With the standard cats they give you possibly the best sound you can get for these cars (but little or no extra BHP).
Swap in 200-cell motorsport cats with the Tubis and the car is close to open pipe. It just sounds like it has a bloody great big hole in the exhaust somewhere! Dire! Makes your Porsche sound like a tractor...
I have the full AWE system now. Didn't like it at first, but the sound's changing with miles and getting better by the day. It will never sound as good as a Tubi but it does make the car noticeably quicker.
Hey Ian. Glad to hear you are back on the road and enjoying your car. have wondered how you made out. Congratulations, Gerry
This is the issue and I don't think many realize that when they shop for an exhaust.
what do you mean?
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Now - 04 Porsche 996 C4S To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Now - 03 Volkswagen B5.5 Passat 1.8T Sedan
Now - 07 Mahindra Scorpio SLX - India
Now - 08 Chrysler 300 SRT-8 - Kuwait
Then - 00 Volkswagen Vapor Blue New Beetle 1.8T KO4 "Highly Modded"
If you think you may want to go w hi flo cats at some later point better to start w a muffler that has been voiced that way in a complete system. The Tube may too loud when used that way. Unfortunately the maj. of the hp/tq gains are from the cats.
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