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Maybe some vacuum line.

Are all these codes from people using the IMRC still? Or mixed between using and not using? :(

Thanks

If locking out the flaps and turning off in the tune, is any rewiring still required?

Anyone seen numbers on a ported ‘18 IM yet?

Oops, didn’t see that. :( Just from reading I’m hearing there is a substantial loss going from 3” to 2.5” back to 3”. Just not sure what substantial is. Lol I’m not a race car driver looking for every bit, but don’t want to do the wrong thing here.

BmacIL Sorry for the old quotes. :( I know it was mentioned that the Magnaflow 12468 was a touch quieter because it is bigger, which I’m fine with since going to headers and high flow cats, but would like to know thoughts on a Magnaflow 12469 ? It is 5x8x 18 L like the 12468, but it is...

Read this whole thread today, good info. Tired now. Lol

Anyone have a problem loading the first page in this thread? Can’t get it to load at all. :(

Make/Model/engine/trans/packages: 2015 Mustang GTPP Track/Course: VIR full course Best Lap Time: 2:10.85 Brake Pads: stock Tires 19” Toyo R888r’s Suspension: 475# front springs, Eibach pro rear springs, assorted BMR IRS rear pieces Other Mods: Gibson catback exhaust, JLT intake/tune

Steeda running any coupon codes lately? :)

Someone have a link to this Calimer person? :(

I've been seeing them for Automatics all the time. Hardly see a used one for a manual. :(

Still considering this. I see some talk about the pinion angle possibly being off if you change a driveshaft. Looking at the factory set up the 2 pieces of the 2 piece driveshaft are very very close to straight, so adding a 1 piece shouldn't be a big deal. I understand if adding major power...

Cool, pm sent.

That sounds like a great reason to update too, thanks.

Thank you for the input. CF may be overkill. I am working on other things too, concentrating mainly on suspension for now. Only do HDPEs 3-4 times a year. Looking at some easy things to change like the driveshaft, but considering its worth also.

Myself being more of a road course guy than a dragstrip guy, wanting some thoughts on upgrading the driveshaft in an IRS car? I know the rotational weight savings is a plus, but is it really the only thing seeing that the driveshaft doesn't get near as much movement/abuse as a live axle car...