Well, I have been comparing downpipes here lately. Trying to find a good one but also not throwing $$$ away. I have seen lots of reviews and for the most part, heard nothing but good things about nearly everyone on this list. Here is some of the info I have gathered thus far. Let's compile more so everyone can benefit.
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SP Engineering - $279 @ MVP Motorsports
-Bolts to stock cat
-3" SS
-Retains stock dp hangers
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Tanabe - $279 @ MVP
-70MM SS
-Has welded EGT probe (w/ cap)
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Megan Racing - $150 @ Elite Performance Racing
-3" SS
-Flex section
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RMR - $309 @ MVP and LancerShop
-3" SS
-Retains stock dp hangers
-Bolts to stock cat
-Does not clear lower tie bars
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Perrin - $300 @ Vivid
-3" SS
-Wastegate diverter
-Bolts to stock cat
-1 year warranty
-Clears lower tie bars
-Retains stock dp hangers
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AMS - $299 @ AMS
-3" SS
-Retains stock dp hangers
-Does not bolt to stock cat
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HKS - $330 @ Vivid
-2.5" (65MM) SS
-Clears lower tie bars
-Retains stock dp hangers
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JIC - $230 @ Boost Solutions
-SS
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JIC Spec 90 - $219 @ Intense Motorsports
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XS Race - $219 @ Intense Motorsports
-3" SS
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B&B - $310 @ Boost Solutions
-3" SS
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Buschur - $225 @ Buschur
-2.5" SS
-Bolts to stock cat
-Weighs 6.5 lbs
-Clears lower tie bars
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Buschur - $300 @ Buschur
-3" SS
-Does not bolt to stock cat
-Clears lower tie bars
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Helix - $265 @ LancerShop
-3" (76MM) SS
-Bolts to stock cat
-Clears lower tie bars (may need spacers?)
-2 yr warranty
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Turbo XS - $299 @ Mach V and Nino's
-3" SS
-Bolts to stock cat
-Retains stock dp hangers
-Weighs 7.6lbs
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Lancer Shop - $185 @ LancerShop
-3" SS
-Flex section
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Hayward & Scott - $393 @ Rally Performance
-25 yr warranty
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RnR - $295 @ RnR Racing
-3" SS
-Flex section
-Includes spacers for tie bars
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RnR O2 Eliminator - $395 @ RnR Racing
-3" SS
-Removes O2 sensor housing
-Flex section
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Ultimate Racing - $275 @ Ultimate Racing
-2.5" SS
-Flex section
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Ultimate Racing - $325 @ Ultimate Racing
-3" SS
-Flex section
-Clears lower tie bars
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Vishnu - $675 @ Vishnu
-3" SS
-Comes w/ hi flow cat
-Flex section
-Retains stock dp hangers
-Transfer case bracket
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Works - $479 @ Works
-70MM SS
-Ceramic coating inside and out
-Bolts to factory cat
-Clears lower tie bars
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Apexi - $341.25 @ Bullet Proof Auto
-GT Spec (SS)
-Contact BP for more info, may not fit EVO 8
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Cruise - $468 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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Fujitsubo - $292.50 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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J Speed High Power - $751.40 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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J Speed Super - $486.20 @ Bullet Proof
-Aluminum?
-Contact BP for more info, may not fit EVO 8
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Kakimoto - $395.20 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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Mines - $353.60 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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Monster Sport - $418 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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Rigid - $507 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
-65MM
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RS-R - $321.75 @ Bullet Proof
-Contact BP for more info, may not fit EVO 8
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3 1/2 hours later, I think that is all (or nearly) of them. Hopefully this will help us narrow down our decisions, or at least put everything in better perspective.
- i know iam getting megan racing downpipe $150 cant beat that 
