2005 Sentra SpecV with Stromung Exhaust (Cold Start)

This is with the car still on jacks with a cold start. This is a Stromung exhaust, with resonator, and an SR*S Header on my 05 Sentra SpecV

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Autos & Vehicles

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• StromungColdStart

[undergroundelement]

I was thinking about ceramic coating it and heat wrapping it. I did some small simple interior/exterior mods. I had some intake parts from other vehicles so I made a full cold air intake. Next step is DBA slotted rotors and Carbotech pads. And hopefully front sway bar before my next autocross event in November....what upgrades have you done?

[mistertrip]

@undergroundelement I like the ceramic coating, though I don't think I'd heat wrap it. Once it's coated, not sure how much you'll gain from wrapping, but I could be wrong. I've done intake, header, exhaust and flywheel so far. I was considering lower struts before sway, partly because it would reduce on vibration in the car. Also trying to get a short shifter but having a hard time tracking the guy that makes the best ones down.

[undergroundelement]

Stromung exhaust system is on its way, in the mean time I need to find a header. Looking at the Factory Service Manual and underneath the car I noticed that the bottom cat is welded to the piping. Are you using that pipe or did you cut/weld into it with an aftermarket header setup? Some of the headers I was looking at are 4-2-1 like the DC sports, which will eliminate the cat and I don't wanna do that either, so if you don't mind telling me the rest of your setup that be great!

[mistertrip]

@undergroundelement I did an SRS 4-1 header into the midpipe that's there, keeping the cat in place, and then a Stromung Catback w/ resonator. I left the midpipe with cat in place because, looking at charts and talking to the folks at Stromung, I didn't see a reason to replace it with the 4-2-1 or a hi-flow cat. the gain is just a small spike in the graph which doesn't make sense for the added noise and pollution on an NA car. Might be worth it if you're gonna turbo/supercharge.

[undergroundelement]

I finally got around to assembling the same setup you have. It sounds great! I only had one major problem. The SRS header did not fit the studs on the block. Did you have any issues with yours? The seller offered to exchange or reimburse me to have it modified fit. I wasn't about to waste my time putting the OEM back in and off again.

[mistertrip]

@undergroundelement Really? I haven't had a problem with mine. In fact, I took it off and had it ceramic coated and put it back on and it went on the block just fine. It's a tight squeeze to get it in for sure, but once its down there, no problem. Sometimes it happens with machined parts. You make 100 of them, 1 or 2 are bound to be messed up. What else you done/doing with the car?

[undergroundelement]

Sorry I couldn't my whole story into one box.

[undergroundelement]

Respond to this video... This means they were milled which is what needed to be done on the SRS to fit. Also one of the holes on the SRS is too close to one of the pipes, which made the nut not flush and secure. The nut had to be shaved down and a small notch into the pipe was made for a flush fit. Anyway, let me know how yours went. Thanks!

[undergroundelement]

@mistertrip I took it to a friend who's an engineer and has a machine shop. One look at the OEM exhaust manifold and he knew exactly why the SRS didn't fit. To make a long story short the OEM was actually modified at the factory to fit the OEM studs. The holes on the OEM header aren't round but oval.

[mistertrip]

@undergroundelement The Stromung is a catback. I didn't want to go catless. All the charts I'd seen for NA cars that went catless showed a spike in HP so it technically reports as more, but it's just a spike and you actually gain less power over the course. The aftermarket headers do have O2 bungs in them. They have 2 because different years had them in different locations.