09-18-2005, 07:34 PM
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#13 (permalink)
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vehicular thaumaturgist
Join Date: Apr 2000
Location: Woburn, MA
Drives: 1994 Stealth TT
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Re: Measuring stock exhaust restriction
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Originally Posted by RobBeck
I would like to see similar data that FWombat produced here for this comparison. I too have the ATR single shot, and althout it has a couple of bends... I would really doubt it would cause any significant backpressure. The design is really good IMO, and fits well. The cost however is fairly high.
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It's too late for the comparison I think. The ATR is off and in pieces. 
Even so, the ATR single shot has two 90-degree bends and that 45-45 kink in the middle. Those are probably 1.5d-2d bends, so I bet the losses at high flow are significant.
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The Pansy Patrol - a 3000GT/Stealth car blog with how-tos
Pearl Yellow 1994 R/T TT w/84k - FOR SALE! new 4-Bolt factory short block, DR StgII heads, Titan TD05 headers, 14B turbos w/ ported 7cm^2 housings, 3" minimum-bend catless exhaust, SCE oil pan, RPSII clutch, Fidenza flywheel, OZ F1 Plus 17x9.5" wheels, Kumho Ecsta MX 245/45 tires, Drweldin DSM SMICs, 3SX engine mounts (Maximal solid front), GReddy 60mm P/H/W boost, Carbotech Panther Plus & Bobcat pads w/ slotted/drilled rotors, KSport GT-Pro coilovers, Maximal rear camber arms, SCE balljoints, ABS delete w/ cockpit-mounted Wilwood proportioning valve, AC delete, EGR/evap/dashpot delete, cruise/vacuum-tank delete, '95 Lexan headlights, McCulloch 4300K HIDs, GReddy Type-S BOV, solid shift bushings; Misc Parts: Walbro341, 20# fixed-back seats, Accelerated Moto catch can
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