New Y-Pipe Design
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Joined: Jul 2010
Posts: 3,319
From: Long island NY
Rep Power: 381
Hi Tim,
No, a groove/bead is not necessary when you upgrade to the 75mm TB. You have to use larger, smooth silicon hose vs. the OEM hose with the molded lip for the larger throttle body. Once installed, there is no way for the hose to move out of place due to the tight fit and with a good clamp, it seals perfectly with smooth silicon hose. The smooth hose also provides the ability to trim the hose length as necessary for better for/aft adjustability and final fit. There is really no need for the lip. Sorry, I do not have an underside picture at this time.
If you purchase a Y-Pipe for the OEM TB, then we machine a groove in like the OEM version, in order to re-use the OEM connector. However, hardly anyone that buys an upgraded Y-Pipe will stick with the OEM throttle body. We have only sold one or two like that...
Here is a picture of the machined lip for the OEM hose.
No, a groove/bead is not necessary when you upgrade to the 75mm TB. You have to use larger, smooth silicon hose vs. the OEM hose with the molded lip for the larger throttle body. Once installed, there is no way for the hose to move out of place due to the tight fit and with a good clamp, it seals perfectly with smooth silicon hose. The smooth hose also provides the ability to trim the hose length as necessary for better for/aft adjustability and final fit. There is really no need for the lip. Sorry, I do not have an underside picture at this time.
If you purchase a Y-Pipe for the OEM TB, then we machine a groove in like the OEM version, in order to re-use the OEM connector. However, hardly anyone that buys an upgraded Y-Pipe will stick with the OEM throttle body. We have only sold one or two like that...
Here is a picture of the machined lip for the OEM hose.
Thread Starter
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Basic Sponsor
Joined: Apr 2008
Posts: 3,332
From: NorthEast US
Rep Power: 240
Yes, that is the intended use...with the OEM box. I will PM you pricing.
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991.2 GT3 RS Weissach Racing Yellow
991.2 Turbo S GT Silver
991.2 GT3 Chalk (Manual)
2022 Cayenne White
former 1972 911T white, 1984 911 3.2 Targa black, 993 cab white, 993TT arena red, 993TT silver, 996TT speed yellow, 991.1 GT3 white
www.speedtechexhausts.com
info@speedtechexhausts.com
Testimonials facebook SpeedTech Exhaust Videos
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