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New Exhaust for the MINI
After crossing the 135,000 miles mark at the track last month, I noticed it might be time to catch up on a few maintenance items. First up is a new exhaust. My previous exhaust was an Alta Sportone that I installed in September 2006, which was about 75,000 miles ago. The Alta exhaust is a work of art; has nice tone; and is very easy to install. I had an early version and had to do some fiddling to get it to line up correctly, but it was mostly worry free. I did have to replace the resonator a couple of years ago and the replacement proved to be just too loud. No one wanted to ride with me after that. I’ve been thinking of getting a replacement for a while, but the drone finally got to me so I went shopping for a new one last summer.
The MINI exhaust system is pretty simple, at least the after-market versions. You need about 12 feet of piping, a resonator, a muffler, and some decent tips. How expensive can that be? Well it turns out that the Alta at $600 is generally $200 less than most on the market. I liked the Alta, but didn’t want to spend that much, so enter Ireland Engineering.
Ireland Engineering offers a MINI exhaust with a similar design and specifications for $360. To me, that seems more reasonable. I ordered one from the website at the end of September and it arrived at the end of October. I put it on this past weekend.
My first impression was that it appeared to be of a higher quality stainless steel and of higher quality workmanship than what I was expecting. I noticed that it did not come with an exhaust gasket. I also noticed that the tips were a bit utilitarian.
It was only after I started to put it together that I realized what you get for your extra $260 when you buy the Alta. I managed to scrounge an exhaust gasket from elsewhere in the GeorgeCo Garagemahal. The bolts that shipped with the exhaust were too short (trip #1 to the parts store.) The clamp that secures the tips to the muffler was too small (trip #2 to the parts store). The center section after the resonator hangs on two rubber hangars supported by a brace. For some reason the IE exhaust has a U shaped support with wings instead of a T shaped support on the Alta. The result is that the wings are too short. I solved that by modifying the brace so the hangars were closer together. The next problem is that the U support rubs on the brace. Solution: cutoff wheel (trip #3 to the parts store.) With the U now a T and the hangars closer, the center section doesn’t rub, but is held in place by the hangars. Time to work on the tips.
There are a couple of problems with the tip design. The first is that the flange on the muffler is actually at an angle toward the front of the car rather than perpendicular to the muffler. That would be OK if the tips were built to compensate, but as is, they are actually at less than a right angle, which makes the alignment even worse. Even when fully seated, they are still too far to the Driver’s side in the gap. Solution: cutoff wheel again. (My new best friend.) I took about 10mm off of the end of the pipe going into the muffler flange, cut at a slight angle to bring the tips further to the rear of the car. The result is that the come out more or less in the center of the opening, but the still don’t come out straight.
They won’t ever look perfect because they aren’t parallel to each other. The outlet on the right is vestigial. It does open back into the pipe, but most of the exhaust gasses pass through the other tip since that’s the path of least resistance. Since the other tip is going to blacken over time, I painted both black with high temperature spray paint so it won’t look like I’m winking at the car behind.
The other interesting characteristic of this exhaust is that it grows when warm. The second image above shows the tips sticking out about 10mm more after the car warmed up. That’s not really a problem, but that also means that the muffler moves about the same distance when warm. That puts it against the black plastic of the bumper trim. Solution: (wait for it…) Cutoff wheel. Trim the plastic back to get a sufficient gap.
So what’s the bottom line? The tone is much improved. It’s not as quiet as stock, but doesn’t drone like the Alta did with the worn-out resonator. The butt dyno says the engine feels like it’s revving more freely, but that may just be because my ears don’t hurt so I can hear other things going. It costs much less than the Alta, even when you factor in my trips to the store for parts and tools. It took less than an hour to install, but the better part of two days to fix and adjust. That’s got to be worth something. I still have some more parts coming. I ordered a better fitting clamp for the muffler because I can see some exhaust leakage around the over-stretched clamp I used. I also ordered some chrome tips. They may allow me to better align the tips so they will at least look like they’re pointing in the same direction. If nothing else, they may offer some shin protection over the sharp edges of the stainless steel tips now in use.
Am I satisfied with what I got for my money? Yes. Would I recommend it to a friend? No. Buy the Alta if you have the extra cash.
Stealth Gets a Deeper Shade of Black
I finally finished my rattle-can respray in black. Well almost. I have a rust bubble I have to finish on the hood, but otherwise it’s finally done. My goal of a more or less uniform satin black finish is almost realized. The last bit of major painting was the trunk and deck-spoiler.
That actually turned out pretty well.
I need to rub-out and polish the whole thing, but it’s coming together nicely. I’ll post pictures with the spoiler painted as soon as it stops raining. This one shows the roof done before I finished the spoiler.
The Road to the Garage-mahal Gets Paved
The development of the Garage-mahal took a significant step forward yesterday. We have been attempting for almost a year to get our driveway repaved. Actually, paved would be more appropriate. Only about twenty feet of the old driveway could be called paved, the rest was gavel, rubble, dirt, or grass.
The plan was simple enough: Find a paving company that would widen the driveway by about six feet; grade it, remove the rubble, and repave it to make it level with the entrance to the garage. It is about ninety feet long on average, say sixteen feet wide. Asking around various general contractors what they thought a reasonable estimate might be, they all came up with the same range: $3,000 – $5,000.
When we got the bids in, most were between $8,000 and $10,000. I know the price of oil is driving up the cost of asphalt, but that seemed excessive. We started looking for paving companies from outside the metro area. Sure enough, their prices were about half. We selected one, signed the order, and waited. And waited. We couldn’t get the work scheduled and thought they didn’t want to do it. We called them back on the off-chance they might be interested and it turns out the problem wasn’t lack of interest, but a surly receptionist who didn’t want to schedule it. Within hours, they came back to confirm the estimate and showed up the next day to do the work.
It will be another couple of days before we can drive on it, but it’s beautiful (in an asphalt sort of way.) We should have room to park two cars at the bottom and still drive into the garage-mahal without driving on the neighbor’s driveway. Of course, there’s some extra room as well for another car …. Click the photo above to see the slideshow.
