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Not sure where this question exactly goes. Does going from a stock mid-pipe to...lets say Mac Prochamber mid pipe (without cats) with mil eliminators (no tune) cause the A/F to go lean on the stock tune? I tried searching and I couldn't find anything concrete.

I'm finally considering lowering my cobra after owning it for 5 years. The roads around my area are not the best, but I drive carefully as I can. While searching, I have seen some that say the stock cobra coupe struts with H&R race springs work perfectly fine without any trouble (along with CC...

Test

A few days ago I realized my stock water/coolant temperature gauge stopped working. It stays below "C" and does not rise to indicate normal operating temperatures (middle of "C" and "H"). When I try the gauge cluster tester (holding the odometer reset button while turning on the ignition), the...

I have searched for this topic and it seems that this is a common problem with mustangs. My car is a DD and a few days ago out of the blue my car has started the famous "chirp" sound that goes away when I push the clutch pedal in and it goes away after the the car warms up. The car shifts fine...

My cobra spit/spat a plug out in #4 :nonono:. I read through the other threads about spark plugs blowing out. I was considering purchasing a time sert kit #5553 ($370 ish) because lock n stitich wanted $240 ish to rent it for 3 days and thought I might as well spend a few extra dollars incase it...

I seem to have a coolant leak on the bottom passenger side of the engine. The puddle of coolant is not constant though:shrug:. There is no oil mixed with the coolant. It leaks one day and won't leak for a day or two. I did a search and saw that it could be a oil cooler stud and a O-ring? Does...

Testing

Are there gains by getting an x pipe welded in after the stock cats? California smog is strict, and wanted to keep my stock cats. Besides the sound, will it give any gains? Thanks

So, I was driving on the highway in 6th gear, and I approached a downward hill. I put it into neutral so I dont waste gas, but all of a sudden, my rpms fluctuated like crazy from 100-750rpm, and stalled while I was going 60mph. I pulled off and restarted the card, and all seemed well, but it...

Does anyone have any experience with the newer BBK CAI?:shrug: I read that it recently got a after-market executive order number, and legal in all 50 states. I live in California, so I was looking at CAIs that are legal. I know that BBK is a reputable brand, but how does it stack up against K&N...

I currently have stock exhaust, but it has flowmaster mufflers (not sure what series since it came with it the car when I purchased it). I pretty much have my heart set on Magnaflow cat back. My question is, since I live in California, and law enforcement are strict on loud exhaust, will the...

About 2 months ago I was fortunate enough to purchased a 2003 black coupe svt cobra. Previously I owned a 1998 v6 mustang with bolt ons, so the cobra is a huge jump. It has 50k miles now (had 48k miles when purchased), and I purchased it for $19k. The only thing that was done to it was...