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Yea I agree that the X or H would have the most effect on sound. The video I saw was specifically made to show the difference between two different headers (I want to say it was Kooks and ARH) with the exact same catback setup, and there was a noticeable difference in sound. Not a massive...

I swear I found a post on here a while back that had videos of 2 different long tube headers with the same catback to show the difference in sound. I can't seem to find it now. I know the placement of the runners is different between some of the top tier offerings like ARH, Kooks and SW. In...

Mine seemed to smooth out after a few weeks. Did seem a bit raspy at first, especially before it was warmed up. Got to listen to it on the dyno the other day, the first time I've heard it from outside the car and I absolutely love it

I'm willing to bet most of you haven't heard 2 of the same exhaust setups back to back with the only change being different size headers, but I figured I'll ask anyways. How much difference in pitch/volume is there between 1 3/4 and 1 7/8 headers with the same catback? Is the change even...

Yup, most likely. But when I go back with more mods and do pulls in the same gear it honestly doesn't make much difference to me. Just looking for the difference in gains between mods each time I throw it on the rollers. I could care less if the dyno shows 350 whp or 400. It's what mph it...

Because with the 3.31s it would be a long ass pull being in 5th. Doesn't bother me as long as the next time I go it's in the same gear. If anything, a 5th gear pull would show a bit more tq as its putting more load on the rollers

2015 GT M6 3.31 gears, x pipe and FRPP touring axle back. Pull was done in 4th gear on a dynocom dyno

Got my SP080 installed. Going to give it a week or so before I get an alignment to let it settle, hoping the front settles just a bit more. Rides great, much less weight transfer during braking and accelerating.

Here's a few pics after a fresh BMR spring install. Going to give it a week or so to settle before I get an alignment.

No update on the noise yet, been busy with work so I haven't had a chance to look into the noise any further nor have i been able to get the TPMS to cooperate lol. Dropped the car off tonight to get springs installed. Should be picking it up tomorrow so we'll see if the sound is still there

I've got my BMR springs going on Monday, I'll be sure to post pics up. Should be a sick combo

I really hope it's just hard water deposits. I took it to the do it yourself wash with the high pressure washers, and air dried on the highway a few miles. I tried rubbing it off real quick with my finger, but it wouldn't budge. It really kinda feels like a scratch or crack that I can feel with...

Yea didn't think about the dust shield, I'll have to check that out. I know the lugs are torqued properly, checked them after the first test drive then again a few days later. The mention of the washer over a lug is new to me, I didn't notice anything like that when I swapped the wheels

So I washed the car today for the first time in a while. I went to get something out of the trunk and noticed a ton of what look like spider cracks or scratches all over my spoiler. Has anyone else had this issue? I'd hope it would be covered under warranty, but I really don't trust leaving...

I've noticed the same noise too like if I turn the car off and someone runs into the store for a few minutes and I stay in the car. It sounds like it's coming from under the steering column

Haha damn so close! How are you launching? Just dumping around 5k? Slipping the clutch any?

Have you gotten a chance to run with them yet? I'm assuming these are tubeless right? Just mount and balance and good to go? So it sounds like slicks are the better choice for a manual, as the drag radials will put more of a shock on the driveline? I really don't feel like doing axles just...

Like the title states, what would be my best bet for tires on stock axles? Right now, I'm only running a catback, 285/35/19 Nitto Invos out back, and BMR performance springs going on next week. I've thought about getting a separate rear setup just for occasional drag use. I've heard bias...

Wondering if anyone else has this problem with there Tech 7s..? Ever since I put then on, I hear what sounds like metal on metal scraping slightly if I take tight left turns at a moderate speed. I was thinking it could be one of 3 things: Brake is dragging? I figure I would hear this more often...

My SP080s will be going on next week, can't wait!