Bling and Engine Longevity, aside from power
346944
Easy install for bling and safety.  The OEM retainer straps had stretched out of shape and no longer stayed in place over rough roads.  After removing the duct going into my throttle body I found some grit that bypassed the filter from not being properly secured.  I built this up with a new carbon fiber power duct and was able to see that there was no light around my clamps.
2997362
Power is now even through the revs. There is less noise when engine breaking. There is increased HP but I have not measured it yet. General feel of the engine is smoother.
669413
I took a chance on this shockwave model from RedCat because of the price, I got a used/new-in-box from Amazon for about one-twenty, which paid for the sales tax.  Anyway, it came in great shape, it just had a damaged box.  The engine is not that great at all.  I've been running nitro engines of all types--boats, airplanes, cars, helicopters--since I was 12, and I'm 46 now, so I've had a lot of experience breaking them in and tuning them, repairing them and modifying them.  I've had very excellent Japanese, Italian, USA, and Czech engines, and also some crappy Chinese engines, and once in a while a decent Chinese engine.  I know when nitro engines are happy and when they're not happy.  This redcat engine definitely is not happy.  It will not hold a consistent fuel air mixture, it runs hot and loses compression and power.  In my experience, this happens mostly on engines with ABN (aluminum, brass, nickel) pistons and cylinder sleeves.  ABN is a cheaper manufacturing method than ABC (chrome). But it's just not a very good combination for performance and durability, except when it's used on a "ringed" piston engine.  (That's the reason that you can get some decent Chinese 4-stroke engines that use ABN, since they are ringed.)  And this redcat engine is not ringed, it's lapped.  So it came as no surprise after break-in that after about 10 tanks of fuel, the redcat engine performance really began to suffer.  The motor would really heat up and lose power to the point where it would just stall out.  No amount of tweaking the carb could help it.  The best thing would be to change fuel to an all castor-oil based lube of no more than 10% nitro.  Fuels with castor-based lube are best at dissipating the extra heat from the engine and that helps the ABN piston and sleeve maintain better compression.  But the 10% nitro limit definitely will not get the motor to top revs.  So it will be a tradeoff.  Otherwise, as far as the chassis and other mechanical parts of the car, I'd say they are middle of the road as far as quality and durability.  I haven't had any parts failure on the car. The transmission has held up well so far.  And I didn't have any issues with how the car was built at the factory, they did a good job.  But I did go through all of it to ensure that everything was installed correctly.  The first upgrade that will be needed is the engine, I'll likely be going to a Japanese O.S. .18.  With the power that engine makes, it won't surprise me if parts start breaking on the car.  I would recommend this kit if you're interested in Nitro RC and don't want to spend a lot to find out whether you really like it or not.  However the one caveat would be that if you have a lot of problems with this kit as your first experience, it might put you off of the hobby.
1810716
Battery dies quickly but gorgeous while it is working
1108567
Looks good, sounds good. Too soon to know if it improves mileage but it seems to add more power. Installation process could be improved.
1677670
Only downfall is, within a year, the clear coat chipped right off. And once that happens, buffing is required once a month to keep them new looking. Other than that, I have had these headlights almost 2 years, and absolutely love the look!
3854244
I inherited my 2005 Altima from my mom.  She was a little rough on the car meeting a jersey wall or two, so it has some exterior bumps and bruises.  The only exterior issue I am really not happy with is the fading of the paint on the hood(just the hood, no other part of the car).  The car is silver, but the hood has lost all shine and finish so it looks like I have a gray hood on a silver car.  The engine and other mechanical pieces of this car are incredible.  I have not had any engine or transmission issues at all.  I did have an issue with the radio cutting off and on and the turn signals acting strange.  It was a problem that mimicked an electrical problem, but it turned out to be a very inexpensive fuse.  Aside from the basic general maintenance, I haven't replaced any parts on this car.  The pick up on this car is phenomenal....although it is a 4-cyclindar, its been nicknamed "mini-6."  Great car, would get a 2017 if I could!
843601
160000 still getting 32+ MPG hwy. Original exhaust lasted 100K. Power seat, trunk release and CD issues,but generally a good car. But my last Chevy. Toyota here I come.
768524
A very Beautiful graceful car.  The styling of these cars is just fantastic. Nothing on the road has the grace and beauty of a Jaguar. And the XJR has the power to back up those looks. With a supercharged straight six this car has considerable power over the XJ6 and just edges out the V12 cars. The transmission in these cars is a very robust GM 4L80E transmission.
The driving experience of the XJR is wonderful. On a nice day driving with the windows down and sunroof open, and hearing the supercharger is pure bliss. I like to put the car in sport mode and put it through its paces.
The interior of these cars are great. The seats are very comfortable on long road trips. The XJR came fully loaded with heated front and rear seats, power seats, power mirrors, memory seats, auto-dimming rear view mirror, Harman Kardon speakers & amplifier, factory Alpine radio and 6-CD changer, power tilt wheel, front fog lamps, rear fog lamps, and garage door remote control.
The negatives are that these cars are getting up there in the years now. These were generally some of the most reliable jags made, but neglectful ownership is common. The engine used 6 separate ignition coils which can go bad with age and cost $100 a piece new. The car will likely have old hoses that need replacing(the lower radiator 'octopus' hose), possibly a cracked exhaust manifold, and will probably need AC work. The interior is made of gorgeous leather and wood, but after 20 years it may not look the best if not cared for. Other issues are minor interior issues like: the memory seat function will most likely not be functional, the center clock display may be burnt out, the auto dimming rear view mirror may be non-functional. Working the J-gate can be a little fiddly. Don't let this scare you off from getting one. If you can do your own work and source your own parts, owning one of these big cats is a very rewarding experience.
1543661
I used it last year for a couple days and the left antler's battery died already. I barely used it for maybe 4-5 days? Of course I did not leave the antlers on 24/7, the drives were from my work to home which is roughly about 15-20 minutes. They look great when lit but the battery died too quickly. In the future they should invent a wireless switch that can activate the lights because it is a hassle to walk around both sides of the car just to manually find the switch to turn off the lights. Other than that, I would recommend the antlers because they were fun while they lasted!

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4134006
Awesome response over stock. Batt life is decreased but a very good upgrade.
633498
It looks nice. The end caps cover the wiring quite nicely. 1000 watts, my foot!!! Power indicator light stopped working nearly two weeks after installation. It lives in the trunk of my light colored car and hates Southern summers. On a 90+ degree day, it goes into thermal protection after about an hour of play. The gain was set at halfway or less. It was pushing a 4 ohm SINGLE VOICE COIL 12 in a ported box!  $55 seems like a bargain until you realize the type of performance that comes with it. I set it on top of my garbage can on trash pickup day. I hope the sanitation workers did the right thing.
4889365
This watch was beautifull, but it got broken before the year later. Sad because was a really beautifull watch. i think it is a low cost engine.
4811895
Realy does have double the runtime as the ti y one. Im actualy a electronic enginer. For money with charger not bad
641562
This is by far the highest quality car I have ever owned. (I have owned 13 cars in my life, 8 of those were new cars.) I have the SHO model close to fully loaded. The only negative comment I have is the Sync 3 (voice recognition system) does not work very well, or at least a steep learning curve. I tried to use it a few times and got frustrated, so I don't attempt to use it. The second issue is the V6 Eco Boost. While I absolutely love the power and performance (0 to 60 mph ~ 5 sec) The Eco part does not live up to its name. I mostly drive around town on side streets and freeway and with 2000 miles on it now I only get 14.3 mpg. I know the EPA estimate is always high but combined city/highway is 19 mpg.

I have owned this for 3 months and still love it. I can't speak to the long term life but in initial quality this ranks up there with much higher priced luxury vehicles from Japanese and European manufactures. This car was built in Chicago, Illinois, USA.
3248303
Well worth the money.  The only thing the bling looks likes plastic/crystals, but still looks good and blingy.
1400395
Pros: Good power, quiet interior, low maintenance, quality build, indestructible engine

Cons: brakes needed upgrading, paint chips easier than I thought, gas mileage is ok, steering is heavy, but dull, transmission is dull

I really can't complain about this car. I purchased it with 30k miles on the odometer, and have close to 100k now. It's a fantastic car for highway cruising. Very comfortable on long hauls. It has enough power to get you out of most merging issues, and more than enough power to get you into some serious trouble (80-100mph feel no different than 50mph). The ride is nice for the weight of this car. I would like a little more sport for my sport-sedan, but I'm pretty happy with how this car has treated me.

On the brake issue - I was forced to replace or resurface my rotors four times in the first two years of ownership. Lower quality OEM rotors warped very easily. I upgraded my rotors and pads to another OEM fit and I've not had to touch my pads or rotors since.