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Chevrolet Cobalt Modifications
About 4 months ago I added a Stage 2 Kit with Cat Back performance exhausts to my 2006 Chevy Cobalt SS Supercharged. I was at 19,000 miles. As I write this, I'm now at 24,500 miles, so 5,000 miles later as they say...
In my opinion the performance upgrade so dramatically increased the performance of this coupe that a person who is purchasing the SS Supercharged would be absolutely CRAZY not to go to the internet and purchase everything at quite a savings and then make an appointment with your Chevy dealer to install the kit and exhaust system for $400 to $500 dollars. Boardwalk Chevrolet installed mine, and I purchased the items on crateenginedepot.com for about $800 dollars. Total price with install was under $1,300!
The difference? Outrageous increased acceleration, intensely tall gears in 2nd, 3rd, 4th, and 5th, and lots of horses in all 5 gears. The comparison to the version without the Stage 2 kit and Cat Back exhausts? Basic performance with horses in 1st and 2nd, kinda in 3rd, nothing in 4th and 5th. You should shoot yourself in the head if you don't upgrade for a reasonable $1,300! And, best of all, you keep your Chevy warranty because it's a real live SS performance option, at an air conditioning level. Also, no need to report it to your car insurance even though you've stepped up to a true muscle car with the upgrade.
Lastly, I will let you know the Cat Backs are headers with a couple of miniature glass pack like mufflers and they sound like a funny car if you punch the accelerator, and sound just like a Dodge Viper on the highway when you drop the clutch into 2nd or 3rd and step on it. I also blew the doors off of a 330 hp sports coupe and I won't mention what kind of car it was, but they were shocked that I could downshift into 3rd and hit 120 mph easily going into 4th.
So, I'd highly recommend the Stage 2 kit with Cat Back exhausts and remember that Chevy racing technology means a lighter car - you on average are driving a car that is up to 1,000 pounds lighter than most sport coupes, and be sure to subtract the weight of a heavy metal muffler exhaust system v. a lightweight Cat Back performance exhaust - with the power to weight ratio of a Cobalt to other sport coupes, not the dry hp ratings on a block of wood, you definitely are then driving a car that competes with Mustang GTs and up and feels like 330 hp at least. I'm very serious and not pulling your leg - I've had very fast cars in the past and know my horsepower ratings!
Lastly, what about durability. After 5,000 miles, I experienced the joy of taking my car in for an oil change - Putnam Chevrolet, one of the best shops in the United States, pointed out that because the racing fuel injection system is in the way of the oil filter, they have to lift it, flush it, and then put it back, and of course that protects your purchase! And, right back to the first day you had the performance upgrade you go, you can tell the car likes that. So, no problems whatsoever, you do get to put your foot into it, you do get to downshift, but of course like any sports car you have to be somewhat reasonable, but no problems whatsoever after 5,000 miles. I consider this upgrade VERY reliable!!!
In my opinion the performance upgrade so dramatically increased the performance of this coupe that a person who is purchasing the SS Supercharged would be absolutely CRAZY not to go to the internet and purchase everything at quite a savings and then make an appointment with your Chevy dealer to install the kit and exhaust system for $400 to $500 dollars. Boardwalk Chevrolet installed mine, and I purchased the items on crateenginedepot.com for about $800 dollars. Total price with install was under $1,300!
The difference? Outrageous increased acceleration, intensely tall gears in 2nd, 3rd, 4th, and 5th, and lots of horses in all 5 gears. The comparison to the version without the Stage 2 kit and Cat Back exhausts? Basic performance with horses in 1st and 2nd, kinda in 3rd, nothing in 4th and 5th. You should shoot yourself in the head if you don't upgrade for a reasonable $1,300! And, best of all, you keep your Chevy warranty because it's a real live SS performance option, at an air conditioning level. Also, no need to report it to your car insurance even though you've stepped up to a true muscle car with the upgrade.
Lastly, I will let you know the Cat Backs are headers with a couple of miniature glass pack like mufflers and they sound like a funny car if you punch the accelerator, and sound just like a Dodge Viper on the highway when you drop the clutch into 2nd or 3rd and step on it. I also blew the doors off of a 330 hp sports coupe and I won't mention what kind of car it was, but they were shocked that I could downshift into 3rd and hit 120 mph easily going into 4th.
So, I'd highly recommend the Stage 2 kit with Cat Back exhausts and remember that Chevy racing technology means a lighter car - you on average are driving a car that is up to 1,000 pounds lighter than most sport coupes, and be sure to subtract the weight of a heavy metal muffler exhaust system v. a lightweight Cat Back performance exhaust - with the power to weight ratio of a Cobalt to other sport coupes, not the dry hp ratings on a block of wood, you definitely are then driving a car that competes with Mustang GTs and up and feels like 330 hp at least. I'm very serious and not pulling your leg - I've had very fast cars in the past and know my horsepower ratings!
Lastly, what about durability. After 5,000 miles, I experienced the joy of taking my car in for an oil change - Putnam Chevrolet, one of the best shops in the United States, pointed out that because the racing fuel injection system is in the way of the oil filter, they have to lift it, flush it, and then put it back, and of course that protects your purchase! And, right back to the first day you had the performance upgrade you go, you can tell the car likes that. So, no problems whatsoever, you do get to put your foot into it, you do get to downshift, but of course like any sports car you have to be somewhat reasonable, but no problems whatsoever after 5,000 miles. I consider this upgrade VERY reliable!!!
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It does wake the car up, but very few front wheel drive cars do well in the quarter mile - I know I'm in the low 13's as long as your under the engine and not punching the pedal as you shift. Real performance with the upgrade is on the highway starting at speeds of 40 mph - you get a great (and scary) entrance on the freeway if you redline from second and then red line in third, and the red line with the upgrade goes from 6200 RPM to 7200 RPM in first and second, and you can take it up to 8000 if you want to in 3rd, 4th, and 5th, so the idea is you simply keep coming in 3rd gear on the freeway until you've passed the car your racing, and then again sit on the gears up through 5th and I'm sure on flat or downhill terrain the car will indeed hit 200 mph. Road racing v. quarter mile, definitely.
Nobody wants to get nickled and dimed, so staying in touch with the reliability factor around a performance upgrade is important! So far, very reliable!
You really are swapping a car that does well with Hondas, the Saturn, aka other performance compact coupes, and moving up to a car that is competitive with Corvettes etc. at certain things, again mostly road racing, turns with downshifts, etc., you really will surprise a muscle super car with this upgrade, just keep both hands on the wheel at high speeds!!!
So, I agree with your point completely but you really had to downshift to get to horses in the original and the Stage 2 allows you to downshift into 3rd on the highway and take pretty much everything except the Shelby, Viper, and Corvettes out there. Of course, so can any built Honda or Mitsubishi Lancer with headers and souped up engines, being lighter cars.
This really is a great hobby - too bad Chevy didn't Stage 2 the car. Oh yes, be sure to custom paint your Stage 2 at a Maaco - ask them for a 2 coat and shelby racing stripes (go to Yahoo autos and click into pictures - the Shelby and Viper have the racing stripes that bleed off of the bottom of the bumpers to the ground). I had my red Stage 2 painted with 2 coats and then a black thick stripe with a red pin stripe left in the middle, just like the Shelby and Viper. EXCEPT, whoever designed their stripes made them too skinny and they look somewhat rinky dink for such a fast car. I had Maaco stretch that sucker into a very wide stripe that offset by 3/4 inch from the front ram air grill openings, producing a very wide stripe that looks incredible - I'm sure I piss off any Shelby or Viper that has to look at it, seeing the effect - it's a throwback to the Chevelle 396 SS's with that fat stripe with the pin stripe in the center from the late 60's and early 70's muscle car days, except bleeding off the bottom of the bumper.
Lastly, be sure to go to the internet and find a sign shop in your area that also does car racing decals, and use a brush font for "Stage 2" for both sides, mounted just behind the SS emblems, and also look on the internet for Chevy racing decals with flames and SS and mount one of those burning SS emblems with "Cat Back" decals right under them. On the hood, have huge letters like the Dodge Charger italicized leaning forward that say, "Supercharged SS Stage 2" and line it up on either side of the pinstripe.
Anyway, make sure people know you're real as a Stage 2 or you'll be forever proving it into you put you're car in the shop! As I said, Chevy should have put more muscle behind the Stage 2 version, it would have sold at $28,000 easily with the shelby striping and decals, but doing it yourself still looks factory. I'll see if I can figure out how to load a picture of how I customized my car with the Stage 2 rally package created by a past Chevy racing team person in Sunnvale who works at "Sign-O-Rama". ">
Only catch is you have to stick with your car's color for a two-coat and use a black stripe, but then again, try topping a black racing stripe, so it works!!!
Chevy would have sold through the roof with all of the compact muscle car enthusiasts (Honda, Lancer, etc.)!!!
This is a nice little machine and nice upgrade from chevy, but if chevy claims 260 hp, it is not 330 hp....not in anyones book even if it might be slightly under rated. I have personnally seen these dynoed with this upgrade and they run around 240 rwhp (that is hp at the wheels and the only way anyone should ever discuss hp).
Stock Cobalt SS' run the quarter mile mid to upper 14's and the Stage 2's get there in low 14's. BUT, they trap at around 105 mph. Compare this to a new Mustang which runs mid 13's at 104 mph or a 1999 - 2004 Mustang which runs mid to low 14's and traps at 98-99 mph. The Cobalt has a great trap, or is lousy getting out of the hole...depending how you look at it. In real world driving, this means that while it may feel like an econo-box from stoplight to stoplight, it it at it's best from a roll and may catch a few folks off-guard from 40 or 60 mph.
It will be interesting to see what Chevy replaces this car with in 2009. The Cobalt SS was a nice addition in a very competitive compact market.
http://www.chevrolet.com/cobalt/accessories/