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3' catback no cats/DDP/15 psi boost controls/K&N kit lexus afm, 550 injectors, 2.0 mhg

I have the 3' catback no cats and 3' Dp so I was thinking of buying the Divorce DP or just get a bigger elbow. Has anybody switch from a 3' dp to DDp? How much whp gain?

I'm not sure yet cuz the engine has been rebuilt 10,000 miles ago. The symptoms Hard to start, white smoke and I have to add coolant every 3 days but just a bit. I'm going to get the test from napa and see what it says. What do you think of this? or it's just BS HOW AND WHY DOES STEEL...

I don't want to start nothing here but I just wanted to know how fast a mk3 was with 15 psi. There's a guy who has a nice 92 mk3 turbo 5 speed and he's running 15 psi. I told this guy I have a mk3 and about this site. I asked him if he wanted to race my camaro but he laughed and he was like bro...

My mods so far 3" cat back no cats, 3' Dp, K&N filter with adapter/ssqv bov kit/waiting for ic lower pipes. I was thinking of a bigger turbo elbow. I need to buy a K&N kit cuz with the adapter I had to take out the honeycombed. Boost control but I have the stock HG. The gasket is new cuz the...

I'm new to supras so I'm not saying what's the best way to race off the line but that's what i did. I have a camaro and I can launched at 4000 rpms with slicks with 12 bolt so I tried to launched at 1500 rpms in the supra to see what happens. Thanks a lot for the info cuz it's my 1st turbo...

It's pretty much stock only mod K&N filter with adapter. There's a huge hole in the muffler. There's a big crack on the hose that goes to the turbo so at 3000rpms I have to shift cuz it hesistate a lot. Tomorrow I'm going to install the 3' catback and Dp.

This is embarrassing cuz I got smoked by a honda prelude v-tech today after work. I pulled at the gas station so does he and we talked about his mods and my supra. He had a cam gears , cai , exhaust, chip,and an aftermarket camshaft. It was not too fast and I don't want to make excuses but I...

I'm having the same problem but I have a huge crack on one of the ic lower pipes.

If you have a scion you can bring your fart can and race my camaro anytime, any day. You can put twin turbos in the piece of shit and still don't beat me. This is a supra forum so go to Scion forums and talk all the shit you want.

I was checking the ic lower hoses and I found out there's a huge crack on the hose that goes to the turbo. My supra is 87 and I was wondering if this hose is different for 89 supra

I have the same problem but I need to replace one of the ic lower pipes cuz it has a big crack

My mk3 is not running good that's why.

I'll run mids 10 when i get a dyno tune without nitrous

The 05 Gt are not too slow but they will need a tune so they can run better. The 03-04 cobra are faster cuz of the Sc.

No codes.The car stutters in any gear until 3000rpms and after that it runs ok. When I accelerate the guage shows 4-5 psi and then the car feels like it has no power. My only mods K&N, ssqv bov kit. I'm going to install the 3" cat back and DP cuz it can be a bad cat also cuz it smells like...

I'm having problems with my supra and it's getting worse. Now it feels like it doesn't want to go anymore at 4000-6000 rpms and at low rpms it shakes.It looks like my tps again. This happend after I checked the isc valve.

I have a 87 mk3 turbo 5 speed. What's the difference between Idle speed control valve(ISC) and Idle Air Control valve(IAC) or people just call them differently. One more question I got an air intake adapter and took out the honey combed to put the K&N filter. is it ok to take the honey combed out?

There was a TC scion with a catback exhaust and it had been lowered. There were 2 guys making fun of my mk3 and I was like ok I'll race you even though my supra is not running ok. The guys in the TC were like excuses so it was on we wait for the green light and hit it. I accelerated the car...

The only mods are K&N filter and ssqv bov kit. I'm going to check for the ISC. The gauge shows 4psi of boost in 1st, 2nd and 3rd but in 4th gear and 5th gear shows 5 psi. Today the car shut down twice. Everytime i exit a freeway ( going from 50-80 mmiles my car turns off when i get to the stop...