exhaust with a good note?

Green7mgte · 04-08-2010, 06:18 PM

look familiar ?

I told you I lived across the street from the college

jason7504 · 04-08-2010, 07:41 PM

so do you guys think i should put headers on my car even if its just for street use? I heard that the headers will make high RPM gain but that won't be the ideal range for street use but it would match the intake since its better for higher RPMs. but arent there headers for lower RPMs too like how long tube headers are better for low RPM's than shorties.

and with my engine stock for now, should i just leave the tube diameter alone and not bother with a cat back system? and will have to leave the CAT alone since i need emissions for 2 more years until its 25 yrs old

jason7504 · 04-09-2010, 08:11 AM

bump......

Green7mgte · 04-09-2010, 04:15 PM

mvp motorsport offers a good header.. company took over after the last one went tails up. about 440 for 17 rwhp to an na.. least thats what their claiming.

just a quick hijack along the same topic.
Is there any downfall to running an exposed downpipe? eliminating cat back? seems a tad risky to me to just have my downpipe hanging opened like that.. might be worried about critters making their way into my turbo!

jason7504 · 04-09-2010, 07:21 PM

Quote:

Originally Posted by Green7mgte

mvp motorsport offers a good header.. company took over after the last one went tails up. about 440 for 17 rwhp to an na.. least thats what their claiming.

i just checked and they don't make headers for a 87 supra. do you think pacesetter's headers would net around the same hp gain?
do all of the headers available for supras focus on the upper RPM range because i know for my camaro i can get them for lower or upper RPM range( long tube vs shorties)?

jason7504 · 04-09-2010, 07:23 PM

and since i already have a muffler(got the car yesterday and it doesn't sound too bad, i think will keep it), do you think it would be beneficial to get 2.5" cat back tubing or just leave that alone since my engines stock except for K&N air filter and just get headers and/or high flow cats?

Green7mgte · 04-09-2010, 07:39 PM

i wouldnt go above 2.5. I dont know about the low to high rpm.. which one is better for a na supra.. not a clue. I would probably go for the low rpm one, give me a little bit more off the line?

MA70-3.0GT · 04-10-2010, 01:31 PM

Quote:

Originally Posted by Green7mgte

just a quick hijack along the same topic.
Is there any downfall to running an exposed downpipe? eliminating cat back? seems a tad risky to me to just have my downpipe hanging opened like that.. might be worried about critters making their way into my turbo!

Possibly exhaust gases getting into the cabin may be an issue if any grommets/drain bungs are pushed out, other than that I'd just imagine the main problem being how to explain it to Johnny Law... Still might try it myself though since the heat shields on my system keep catching speed humps & anything slightly above completely flat!

Green7mgte · 04-10-2010, 09:01 PM

eh no emissions here. good point about the police. can always say.. "on my way to the garage officer!" then go put it back on. lol.
exhaust gas entering the cabin is a good point. will play with it.
thanks for the info

Supra_Freak_7m · 04-28-2010, 05:24 PM

I am the owner of the afore-mentioned supra with a pace-setter 2.5'' cat-back exhaust. The exhaust sounds nice, the only beef I had with it is fitment. I bolted it on to my car at home and then I took it to an exhaust shop and paid 30 bucks to have it altered so it wasnt touching anything and to have it welded to the cat. It is definitely not a loud note that produces, it doesn't resonate and it doesn't drone so I like it. jegs.com ( I know ) had the best price on it when I bought it.

IMHO, It is always worth while to do three things to a street car.

Exhaust/Header,Cone Filter/MAF adapter, MSD Igntion or other igntion upgrade.

Combine these three and you will have a considerbly better running and faster car and if you can keep your foot out of it, better fuel economy too.

On the note of short or long tube headers, I am pretty sure all of the headers for the mk3 are pretty close to the same length. there are no shorty headers like youd find for your camaro.

A side note: My car originally had no cat on it, i took the on off of my turbo to put on it and my car actually ran better and than not having, revved up a lot smoother under load.

if you have any further questions just let me know

04-08-2010, 06:18 PM	#1
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	look familiar ? I told you I lived across the street from the college __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines :

04-09-2010, 04:15 PM	#4
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	mvp motorsport offers a good header.. company took over after the last one went tails up. about 440 for 17 rwhp to an na.. least thats what their claiming. just a quick hijack along the same topic. Is there any downfall to running an exposed downpipe? eliminating cat back? seems a tad risky to me to just have my downpipe hanging opened like that.. might be worried about critters making their way into my turbo! __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines :

04-09-2010, 07:39 PM	#7
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	i wouldnt go above 2.5. I dont know about the low to high rpm.. which one is better for a na supra.. not a clue. I would probably go for the low rpm one, give me a little bit more off the line? __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines :

04-10-2010, 09:01 PM	#9
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	eh no emissions here. good point about the police. can always say.. "on my way to the garage officer!" then go put it back on. lol. exhaust gas entering the cabin is a good point. will play with it. thanks for the info __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines :

04-28-2010, 05:24 PM	#10
Supra_Freak_7m Intake Join Date: Apr 2010 Location: Montana Posts: 40	I am the owner of the afore-mentioned supra with a pace-setter 2.5'' cat-back exhaust. The exhaust sounds nice, the only beef I had with it is fitment. I bolted it on to my car at home and then I took it to an exhaust shop and paid 30 bucks to have it altered so it wasnt touching anything and to have it welded to the cat. It is definitely not a loud note that produces, it doesn't resonate and it doesn't drone so I like it. jegs.com ( I know ) had the best price on it when I bought it. IMHO, It is always worth while to do three things to a street car. Exhaust/Header,Cone Filter/MAF adapter, MSD Igntion or other igntion upgrade. Combine these three and you will have a considerbly better running and faster car and if you can keep your foot out of it, better fuel economy too. On the note of short or long tube headers, I am pretty sure all of the headers for the mk3 are pretty close to the same length. there are no shorty headers like youd find for your camaro. A side note: My car originally had no cat on it, i took the on off of my turbo to put on it and my car actually ran better and than not having, revved up a lot smoother under load. if you have any further questions just let me know __________________ 1987 Toyota Supra 7MGTE AUTO 1987 Toyota Supra 7MGE MANUAL 1990 Toyota Supra 7MGTE AUTO-> MANUAL

04-08-2010, 07:41 PM	#2
jason7504 Intake Join Date: Apr 2010 Location: Vancouver, WA Posts: 48	so do you guys think i should put headers on my car even if its just for street use? I heard that the headers will make high RPM gain but that won't be the ideal range for street use but it would match the intake since its better for higher RPMs. but arent there headers for lower RPMs too like how long tube headers are better for low RPM's than shorties. and with my engine stock for now, should i just leave the tube diameter alone and not bother with a cat back system? and will have to leave the CAT alone since i need emissions for 2 more years until its 25 yrs old

04-09-2010, 08:11 AM	#3
jason7504 Intake Join Date: Apr 2010 Location: Vancouver, WA Posts: 48	bump......

04-09-2010, 07:23 PM	#6
jason7504 Intake Join Date: Apr 2010 Location: Vancouver, WA Posts: 48	and since i already have a muffler(got the car yesterday and it doesn't sound too bad, i think will keep it), do you think it would be beneficial to get 2.5" cat back tubing or just leave that alone since my engines stock except for K&N air filter and just get headers and/or high flow cats?

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