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I think this is a little like dyno results. You would have to get an' 05 and an '06 on the same scale consecutively to get a good comparison. Calibration can vary. There were not too many published numbers on the short lived run of '06 trucks but Forbes (usually a stickler on accuracy)...

My understanding is that '04 and '05 SRT-10's were built on 2500 frames. The '06's were in fact built on 3500 frames, but in '06 DC went to fully hydroformed frames on Dodge trucks, which are stiffer but lighter. As a result, the '06's have much stiffer frames that weigh about the same as those...

Thing is you can see right through a Magnaflow straight-through muffler, too, but it still lowers the noise level and changes the sound quality. High flow cats usually have some of the same impact. Less noise and rasp. I wouldn't go back to the stock cats; they are very restrictive and that...

All of the above is understood, but here is the deal. My 2006 RC has a 180 t-stat and a Boomer (XMetal) flash and when I am moving coolant temps vary between 180 degrees and 200 degrees (once engine is warmed up). When I am stopped or moving slow in traffic the temp spikes up to 200 degrees...

Any more feedback on this?

Yep, per the others' suggestions I would weld in some high-flow cats like Random techs or the Roe converters, or add a couple small bullet/resonator mufflers. That would be the quickest and easiest solution. You would lose power going back to the stock muffler, and I doubt if your headers are...

It's interesting. I actually emailed DC recently about the fan setting on their Stage II flash and they replied that it keeps operating temps only about 10 degrees cooler than stock. This would keep their results in line with the flashes from other vendors. However, in practice, it seems a...

Glass packs don't typically flow that well; you may lose some HP, even compared to stock. If you want loud just get rid of your muffler and have the shop weld in straight pipes. Want even louder/more power? Cut out your cats and replace with same. I think these are ghetto mods and may get you...

Using same as SilvrSRT10: NGK Iridium IX, BKR7EIX-11, stock number 6988. I wasn't experiencing any apparent pinging or KR, but I have always gone one temp range cooler than stock with a performance tune, just to play it safe. Your Mopar tune probably isn't too aggressive, but your intake...

I am also talking about the actual intake manifold. A molded composite setup a la GM would be a lot less prone to heat soak, IMHO. We wouldn't have to be so concerned about coolant and underhood temps. If I am off track, let me know. I am surprised no one in the Viper world has designed one...

I still don't think running 200 degree coolant temps is the real problem. I think the engine needs to heat up sufficiently to get and keep oil temps where they should be. The real issue, only indirectly related, is intake air temps. The effort should be on maintaining a denser intake charge...

Ronnie: just another possible angle here. Is it possible that with exhaust mods you were running lean and getting KR? I see you have a Stage 2 PCM. Were you dynotuned after your mods or just using an off-the shelf flash? Again, as you have noted you are at higher altitude. I have no idea...

Gotta love that 85 MPH speedo...

I don't have one, but it's been reported previously that the Magnaflow narrows to 2 1/2" inside at the crossover, and is not a true 3" exhaust. Frankly I do not know if this makes any difference in performance. MF may even be accellerating velocity at the X-over for a reason? I am not an...

If you're going to go with any 1 3/4" longtubes you definitely won't need to worry about velocity and low-end torque because of the long primaries. I think you will see an increase with a well-designed 3" setup. RR is most likely an exception due to altitude as he mentions. The stock 2 1/2" 4...

I am not sure how accurate the speedometers in our trucks are. Speedo touched 160 on a straight stretch of S.R. 77 in U.P. of Michigan last week. Wanted to see if I could best old high of 154ish before new exhaust setup. Road isn't the smoothest.This is an area where you seldom have to worry...

B&B claims a gain of 20 FWHP from the mids and another 19 from their catback so your independent results are almost spot on. My SOTP meter liked them as well. Just curious if they do much if anything to the lower end of the torque curve.

There are a lot of factors to consider. For one thing, the factory exhaust manifolds have 2 1/2" collectors/outlets, so going to 3" plumbing behind them may not do much good and may even slow flow velocity to some extent, possibly effecting low-end torque negatively. Also, I understand that...

Mids are now sold. Manifolds remain available. $800 Extrude-Hone + $300 for coating invested. Will sell for $500 plus shipping.

Not to hijack but what kind of compression ratio do you get with the Strikers bolted on unmilled right out of the box on top of stock pistons?