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09-08-2008, 10:59 AM
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#1 (permalink) |
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Lotus = Daily Driver
Join Date: Jul 2005
Location: Southern California
Posts: 649
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Why Do Stage-II Exhausts Crack
(Sorry if it's repost. I'm lazy.)
Why do Stage-II exhausts have so much weld-crack problems? I am on my third Stage-II and it cracked again -- now it makes annoying high-pitch noise around 4k RPM.  Should I get a replacement (under warranty, but would crack again probably), or somehow get it welded well (even possible?)
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'06 Lotus Elise (Laser Blue/Black/Sport-Pack/Touring-Pack/Hardtop/TRD airbox/Stage-II Exhaust) - VIDEO I have three other cars, but the Lotus is my daily driver (My Daily Driver Blog). 
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09-08-2008, 11:19 AM
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#2 (permalink) |
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Registered User
Join Date: Jan 2008
Location: Boca Raton, Fl
Posts: 185
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get a different exhaust that doesnt problems cracking??
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05 Elise - Storm Titanium Red Leather/Touring/Starshield/Hard Top Arqray Single Titanium/Larini DeCat/Fujita Intake/CF Zoom Rearview/CF Binnacle/CF Access Panels/CF Front Lip/CF ReVerie Shift Knob/HID's 6000k 55watt/Painted Storm Titanium Console + A/C Surround/Black Wheel Badges, Black Front Emblem/Ardent Red Engine Covers + E-brake Handle/Interior Carpeting Removed + Sound Deadening Foam |
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09-08-2008, 11:36 AM
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#3 (permalink) | |
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Lotus = Daily Driver
Join Date: Jul 2005
Location: Southern California
Posts: 649
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Quote:
__________________
'06 Lotus Elise (Laser Blue/Black/Sport-Pack/Touring-Pack/Hardtop/TRD airbox/Stage-II Exhaust) - VIDEO I have three other cars, but the Lotus is my daily driver (My Daily Driver Blog).
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09-08-2008, 11:49 AM
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#5 (permalink) |
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道のお父さん
Join Date: Dec 2006
Location: Hell
Posts: 4,051
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I haven't heard of any Janspeeds that have had weld issues, only the CLF
.
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"There are two things no man will admit he cannot do well: drive and make love." -- Stirling Moss Nunquam est ponenda pluralitas sine necessitate. Pluralitas non est ponenda sine necessitate. Pluralitas non est ponenda, nisi ubi est necessitas.
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09-08-2008, 12:22 PM
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#6 (permalink) |
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06 SY Exige
Join Date: Apr 2004
Location: Houston, TX
Posts: 607
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My Janspeed did. But it didn't crack at the weld. Just the little support brackets that keep the tips sturdy and they only cracked on one side each. Bent the piece away a bit and no noise.
Bracket isn't even visible, quick spot weld on it would fix too. |
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09-08-2008, 03:01 PM
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#7 (permalink) |
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Registered User
Join Date: Aug 2007
Location: Erie, CO
Posts: 317
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I had a 2bular crack on my old elise. the hangar was welded in a bad spot in the guy-who-fixed-it's opinion. too much load on one spot. my janspeed stage II looks like much more secure and less likely to crack.
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2006 Polar Blue Exige 2008 Black Toyota Highlander Hybrid 2001 Silver Honda Civic Ex ----------- 2006 Chrome Orange Elise - Sold 2000 Porsche Boxster - Sold |
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09-08-2008, 03:30 PM
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#8 (permalink) |
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XPRMTL
Join Date: May 2004
Location: Berzerkley
Posts: 2,822
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My old StageII cracked twice. The installing dealer(HRM/RIP) had not cut the holes large enough so when the exhaust heated up it sort of unwound(expanded) and would cet caught on the diffusor. I finally changed to a different exhaust..
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05 Elise Spyder II, Chrome Orange, 1586lbs. Stasis/Alcon "lotus cut" brakes, Supercharged and Intercooled @305 Crank HP "My dream car is now operational!" 
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09-08-2008, 06:13 PM
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#9 (permalink) |
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Weiß Stoßtruppen
Join Date: Apr 2007
Location: 33.87°S 151.21°E Car: ロータス MKII エキシージ Type: S280 2ZZ-GE
Posts: 137
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Premature exhaust failures are caused by 2 reasons;
Problem 1 - Excessive engine movement. Problem 2 - Poor heat ventilation especially around the catalytic converter and muffler area. Solution 1 - Get engine mount inserts. Solution 2 - Use a rear panel eliminator kit. |
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09-16-2008, 02:49 PM
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#10 (permalink) |
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Registered User
Join Date: Sep 2008
Location: Italy
Posts: 10
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I learnt that the problem is the car, some exhaust is better than the other but all will have problems. The exhaust is very short and it is fitted not in the best conditions to work. I tried all on my old Elise and Exige N/A now I have an Exige S with P.B. Racing complete exhaust now I have 9000km on the cars all done on the track and it has no problems.
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