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#1 |
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
Posts: 10,660
Car: 2012 Toyota Tacoma
Class: ?
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So, I am in the market for a full Turbo back Exhaust for my car...
My needs are for a TBE WITH 1 Cat. I like the Invidia Product, but it doesn't come with a cat. I can get the Perrin with a Cat, but it's rather pricey. I talked to Nate about the placement of a high flow cat, basically running a catted downpipe vs. a catted midpipe, etc. In his opinion, and from his experiences, he sees the best results from catted midpipes, contrary to what some of us were discussing last night. Now, I can splice a cat into an Invidia system, placing the cat at the Base of the downpipe where it meets up with the mid pipe. Is this a legal position for my required cat for Street mod? It will be approx. 6 to 8 inches from the OEM position of the downpipe cat, So the way I see it, it should be legal. Basically, it should be a verey similar setup to what Vishnu puts out. My plan is to go ahead with this addition of a cat to an Invidia system. I just want to make sure I have the class-legality all figured out. Also, has anyone else seen any good TBE w/ cat systems I should check out?
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#2 |
EJ205
Join Date: Aug 2003
Location: Reno, NV
Posts: 2,354
Car: 2004 STi
Class: TSM
I can't complain
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have you looked at the APS High flow cat system? they put the cat in the location Nate wants with the Invidia.
http://mzmperformance.com/Merchant2/...ory_Code=SubEX I do beleive that is legal because you would be within the distance required. the second cat is at the bottom of the downpipe.
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#3 |
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
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Car: 2012 Toyota Tacoma
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Mike, I was actually really interested in that exhaust, until I heard they are having a lot of problems with their cats breaking up. Nate said he's seen 2 like that, which have come apart inside the cat. I guess they are working on measures to curb the vibration which is killing their cats. So, I think I'll pass on that one. Otherwise, it would be ideal.
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#4 |
EJ205
Join Date: Aug 2003
Location: Reno, NV
Posts: 2,354
Car: 2004 STi
Class: TSM
I can't complain
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there are alot of systems that have high flow cats,
Cobb Helix High Flow Catted Downpipe STI w/ some other cat back TurboXS Turbo Back Exhaust (Catted) STI MRT Turbo Back Exhaust System w/ Cat AVO Turbo Back Exhaust System w/ what looks like a cat ![]() Zerosports Exhaust System w/ Cat B&B JDM Look Turboback Exhaust STI w/ Cat and probly many more ![]()
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#5 |
Señor Cheap Bastarde
Real Name: Dean Join Date: May 2003
Location: $99 Tire Store
Posts: 9,294
Car: $.04 STI
Class: Fast,Cheap & Reliable=STI
Deal, did somebody say Deal? Oh, Dean, yeah that's me.
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Mid Pipe is better from a restriction perspective, and aparently Nate now aggrees.
SM has no CAT requirement.
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#6 | |
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
Posts: 10,660
Car: 2012 Toyota Tacoma
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#7 |
Señor Cheap Bastarde
Real Name: Dean Join Date: May 2003
Location: $99 Tire Store
Posts: 9,294
Car: $.04 STI
Class: Fast,Cheap & Reliable=STI
Deal, did somebody say Deal? Oh, Dean, yeah that's me.
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SM uses SP rules, you are thinking of STU... Sm everything associated with power train is Open, including intake and exhaust.
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#8 | |
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
Posts: 10,660
Car: 2012 Toyota Tacoma
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Catless Invidia it is.
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#9 | |
EJ205
Join Date: Aug 2003
Location: Reno, NV
Posts: 2,354
Car: 2004 STi
Class: TSM
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edit: found it ![]() so what the real deal?
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#10 |
Señor Cheap Bastarde
Real Name: Dean Join Date: May 2003
Location: $99 Tire Store
Posts: 9,294
Car: $.04 STI
Class: Fast,Cheap & Reliable=STI
Deal, did somebody say Deal? Oh, Dean, yeah that's me.
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RTFRB!
![]() 16.1.a 15.10e,g
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#11 |
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
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Yes, someone please give a diffinate answer re: this subject.
here is how I have it.. STX/U- No Boost Mods Cat required No I/C Hoses. SP (ESP) No Boost Mods No Cat Required Hoses okay Intake okay SM Boost mod okay No Cat required? Hoses Okay Intake Okay Is that correct?
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#12 | |
El Matador
Real Name: Matt Join Date: Dec 2002
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This is what Scott posted in that other thread...I don't have my rule book handy
Quote:
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#13 |
Señor Cheap Bastarde
Real Name: Dean Join Date: May 2003
Location: $99 Tire Store
Posts: 9,294
Car: $.04 STI
Class: Fast,Cheap & Reliable=STI
Deal, did somebody say Deal? Oh, Dean, yeah that's me.
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I haven't looked at all those, but I would look for a divorced waste gate or extended bell mouth with mid-pipe cat.
With a Bell mouth, it should be like the Cobb, and not join until somewhere after the first bend, and have a tab that extends into the turbo outlet manifold to seperate the flows. On a true divorced wastegate pipe, I would prefer the merge to be after the second bend before the midpipe junction and be as clean a merge as possible. Not Vishnu! Should also have the tab into the manifold... I really like my BPM turbo-back w/divorced pipe, and think if I had bought it new, I would have gotten one more mount for the down pipe that would have kept it from hitting the cross member like it does occasionally. I'll proably tear it off, and put a Cobb "dent" in it at some point if I can't fab the missing mount. It is on the pipe, I just don't have the part that bolts to the frame.
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#14 |
Señor Cheap Bastarde
Real Name: Dean Join Date: May 2003
Location: $99 Tire Store
Posts: 9,294
Car: $.04 STI
Class: Fast,Cheap & Reliable=STI
Deal, did somebody say Deal? Oh, Dean, yeah that's me.
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Scott was wrong!
NO CAT IN SM!!! It uses the SP rules which are open for exhaust. Yes in ST, but can be in midpipe because one of them was there in the stock setup. Rules are now on-line... http://www.scca.com/Solo/Index.asp?reference=rules
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#15 |
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
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SWEET!!!!!!!!!!!
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#16 | |
EJ205
Join Date: Aug 2003
Location: Reno, NV
Posts: 2,354
Car: 2004 STi
Class: TSM
I can't complain
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#17 |
Señor Cheap Bastarde
Real Name: Dean Join Date: May 2003
Location: $99 Tire Store
Posts: 9,294
Car: $.04 STI
Class: Fast,Cheap & Reliable=STI
Deal, did somebody say Deal? Oh, Dean, yeah that's me.
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Since yo are going to SM, I would also port the wastegate to minimize the chance of creep, and not rely on the map/flash to do it.
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#18 | |
Ask me about dubs!
Real Name: JC Join Date: Dec 2002
Location: Orange, CA
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#19 | |
The Don
Real Name: Aaron Join Date: Oct 2003
Location: Sacramento
Posts: 3,097
Car: '97 Legacy / '05 FXT
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Eeeeeeeeeeeeexcellent. ![]() We've got a resonated Invidia with your name on it, dude ![]()
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#20 | ||
El Matador
Real Name: Matt Join Date: Dec 2002
Location: Reno, NV
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Yeah, I was just going to contact you or Nate... Looks like I was looking for the wrong stuff...So yes, please reserve the resonated Invidia TBE for me, and as soon as the intake arrives, I'll be there... Nate said he'd call as soon as the intake arrives...So I'll be waiting by the phone ![]() So, I guess we wont need that Cat anymore... ![]()
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#21 | |
EJ205
Join Date: Aug 2003
Location: Reno, NV
Posts: 2,354
Car: 2004 STi
Class: TSM
I can't complain
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#22 | ||
El Matador
Real Name: Matt Join Date: Dec 2002
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#23 |
EJ205
Join Date: May 2004
Location: Truckee
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Sounds great to me. Now I just need the resonator so I can hear again!
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#24 |
EJ205
Join Date: May 2004
Location: Truckee
Posts: 1,948
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By the way, no boost creep so far with only EM.
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#25 | |
EJ205
Join Date: Aug 2003
Location: Reno, NV
Posts: 2,354
Car: 2004 STi
Class: TSM
I can't complain
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![]() ![]() thats what you get for being older..... ..........us young kids lost our hearing long ago with amped up audio systems ![]() ![]()
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