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The mkiv Supra Owners Club

Comparision of 3" To 4" Exhaust!


JamieP

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Thread over on supraforums.

 

 

http://www.supraforums.com/forum/showthread.php?658754-HIS-Motorsports-Supra-Comparision-of-3-quot-To-4-quot-Exhaust!

 

We just recently got a 97 TT 6-Speed still on stock twins and decided to do some comparision of gains from going from a 3" Catback to 4" Catback on the stock turbos.

 

The testing was done between a Thermal Research and Development 3" Catback the car was bought with and was switched with a ETS Titanium 4" Catback!

 

The quality and fitment of the ETS Exhaust is superb and weighs in right around 15lbs!

 

I was surprised with the gains on stock twins with so few mods.

 

Some info on the car:

 

Stock Longblock w/ 107k Miles

Stock Twins

Stock Intake pipe with KN Filter

RMM Downpipe

Greddy 3 Row w/ Piping

No boost controller

Stock OBD2 Ecu w/ No piggyback

 

All pulls were done in 4th on a AWD Dynojet 424x

 

image

 

Sound Video

 

View My Video

 

Dyno Video

View My Video

 

image

Edited by JamieP (see edit history)
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