Stock o2 housing + aftermarket downpipes
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Stock o2 housing + aftermarket downpipes
I'm looking to buy this downpipe/hfc
http://www.maperformance.com/cnt-rac...-downpipe.html
I was wondering if I would have any issues bolting that up to my stock o2 housing? I'm ready to pull the trigger on a new TBE, but don't wanna order anything until I'm 100% certain it'll bolt up fine. Also is the doughnut gasket that goes from the o2 housing > downpipe reusable with a 3" downpipe?
http://www.maperformance.com/cnt-rac...-downpipe.html
I was wondering if I would have any issues bolting that up to my stock o2 housing? I'm ready to pull the trigger on a new TBE, but don't wanna order anything until I'm 100% certain it'll bolt up fine. Also is the doughnut gasket that goes from the o2 housing > downpipe reusable with a 3" downpipe?
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I'm looking to buy this downpipe/hfc
http://www.maperformance.com/cnt-rac...-downpipe.html
I was wondering if I would have any issues bolting that up to my stock o2 housing? I'm ready to pull the trigger on a new TBE, but don't wanna order anything until I'm 100% certain it'll bolt up fine. Also is the doughnut gasket that goes from the o2 housing > downpipe reusable with a 3" downpipe?
http://www.maperformance.com/cnt-rac...-downpipe.html
I was wondering if I would have any issues bolting that up to my stock o2 housing? I'm ready to pull the trigger on a new TBE, but don't wanna order anything until I'm 100% certain it'll bolt up fine. Also is the doughnut gasket that goes from the o2 housing > downpipe reusable with a 3" downpipe?
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#9
How much of a difference are we talking with and without a DP? Assuming both dyno tuned.
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I ended up doing my entire exhaust last night. One look at the stock downpipe and decided to keep it on because I didn't feel like dealing with the hassle. Probably gonna sell the downpipe I bought, and just wait until next year when I upgrade my turbo + cams to get an o2 housing downpipe instead.
#11
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I recommend doing a short DP if not an o2 DP mainly to seal the TP and DP rather than having a 3" TP and an OEM DP. I had a giant leak before my DP and it threw my AFR off like mad. Bought a short 3" DP and it's perfect. The leak is also annoyingly audible. Gains for both a short and o2 DP are negligible.
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I recommend doing a short DP if not an o2 DP mainly to seal the TP and DP rather than having a 3" TP and an OEM DP. I had a giant leak before my DP and it threw my AFR off like mad. Bought a short 3" DP and it's perfect. The leak is also annoyingly audible. Gains for both a short and o2 DP are negligible.
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I recommend doing a short DP if not an o2 DP mainly to seal the TP and DP rather than having a 3" TP and an OEM DP. I had a giant leak before my DP and it threw my AFR off like mad. Bought a short 3" DP and it's perfect. The leak is also annoyingly audible. Gains for both a short and o2 DP are negligible.
http://www.extremeturbosystems.com/M...e-adapter.html
#15
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ETS makes a 2.75" to 3" adapter flange that solves this problem if you have the issue. It's much cheaper than a short downpipe. I'd also recommend using a second nut on each bolt (and maybe some wave washers) on the downpipe to test pipe (or cat pipe) connection to make sure that it stays good and tight. Mine seemed to like to vibrate to the "really loud position" even after I torqued the hell out of those bolts. Luckily the hardware flying off and hitting the bottom of your car is a good warning signal that you might have a problem (if that doesn't work the wastegate dump will let you know).
http://www.extremeturbosystems.com/M...e-adapter.html
http://www.extremeturbosystems.com/M...e-adapter.html