| Author | Message | ||
| William H (Countachxx)
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James, Tubi sells the cat replacement pipe, as for noise volume I think that at full throttle its a little quieter than a Harley. I like race cars, its loud inside, almost too loud for long rides but hearing a flat 12's real voice is great  | ||
| James Pai (Jaymus)
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Ya, I personally have not heard any Borla sounds, maybe you and William can have a "Sound Off" The whine on the Tubi probably sounds higher pitch and more like F1 style cars, and the deeper throatier is the Borla sounds, I suppose Damn too bad I already have the Tubi, I personally like deeper hum and rumbling sound. Still have cats on mine though, maybe I'll love it after I take them off. James | ||
| billy zissis (89tr)
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I bought the borla system minus the cats for my tr and people with tubis tell me they like the sound better. The build quality is great, and it looks better. I had tubi on my old 308, only to change it for a borla. Not to diss tubi (I ordered it for my lotus) but borla is a better sounding, it is throatier as compared to tubi which wines a bit like a motorcycle. | ||
| James Pai (Jaymus)
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William - I also have Tubi on my 90 TR right now, I am thinking about removing the cats as well. Where did you get your track pipes? Did you get them through Nick? I was wondering how much louder is it? Is it too loud to bear in the cabin? Compare it to a Harley let's say, is it to that degree? | ||
| William H (Countachxx)
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Ive got a Tubi on the 512TR & I love it, I deleted the cat & she is LOUD now!!! Just the way I like my cars Everybody loves it when I drive by although Ive scared a few people during full throttle passes I'm sure deleting the cat upped the hp & I think the Tubi helped a bit, although the sound alone is worth it | ||
| Bernard Rowe (Gtsturbo)
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Chris Its hard to say if there is a real improvement or a perceived improvement due to the extra noise! I've never dyno'ed the car & a "back to back" run would be the only way. It seems a little better in the lower gears at 2500~3000rpm. At higher speeds it tough to tell the difference. Perhaps it is better, but that NOISE is worth it! I know of a few 355's & 360's with TUBI's & they definitely seem to have a significant power gain. I think that the later cars with cats & tougher noise restrictions as standard gain the most. . | ||
| '75 308 GT4 (Peter)
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The sound must be similar to the WRC rally cars with the chirping and popping...cool. | ||
| Chris_N_Chicago (Chris_N_Chicago)
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Bernard, what about the horsepower....? Notice any improvement? I have a 348 Spider and am considering the expense... | ||
| Bernard Rowe (Gtsturbo)
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I would say that the system is generally welded to a high standard. Certainly better than the standard system that had a few minor cracks around the mountings that were only visable after removal. | ||
| Craig Dewey (Craigfl)
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In the past on this forum, there have been comments/concerns about the quality of welds on the Tubi. What was your observation, if any? | ||
| Bernard Rowe (Gtsturbo)
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I've just fitted a Tubi exhaust to my GTS Turbo, and have been asked for my opinion on the system, so here it is! My car is a turbo'ed 328 Italian market spec', its quite rare, perhaps only 700 or so were made. When I ordered the Tubi, I was told it was not a stock item & would have to be made to order, I was quoted about 4 weeks, but being Italian, I thought at least 6~8! It arrived in 3 weeks! So far so good! The main "box" is about 300mm (12") narrower than the standard system its smaller in circumference and perhaps 5~6kg's lighter (10lbs). I did not weigh it so this is just subjective. Its TIG welded & fully polished, on the standard system there are 4 pipes that exit to the rear of the car, on the Tubi there are just 2 larger pipes that then split into 4 via "Y" pieces just behind the grill on the rear bumper. When fitted it looks stock to a casual glance. Overall its very well finished. However there is always one problem! The system has a flange that mounts to the waste gate on the turbo, this is about 6mm (1/4") thick, & when it was welded the heat had distorted it so it had a considerable "bow", perhaps 2mm at worst. I remachined this flat, I have easy access to this type of equipment so it was no problem, but it could be very annoying for others. This could just be a "one off", as on the standard 308/328 this pipe/flange is not present. Otherwise fitting was easy, all holes, mountings, flanges in the correct place & at the right angles. Being smaller there's more access to all the nuts & bolts. It took about 20 mins max to refit. At idle its little nosier than the stock system, but blip the throttle and it sounds much "harder" with a nice rasp. At speed it is noiser, but no resonance, just a nice hard rasp! But on the over run!!!! It pops & crackles totally unlike standard, for my first test I was just running it up to about 6000~7000 rpm in 2nd & coming off the throttle time & again just to hear it!! Bellisimo! Overall 10/10, it was quite expensive (£1250.00) but who cares? Its music. |