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Old 06-07-2020, 08:07 AM   #1
SlyGuy
 
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Nut/bolt size after passenger cat?

So I'm installing the AWE cat delete pipes and semi stripped one of the nuts when removing the passenger side secondary cat. Was just wondering if anyone knows what size bolt they were?
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Old 06-07-2020, 03:16 PM   #2
BlackbeastSS2

 
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15mm on the two bolt flange. If stripped and can’t get bolt out then grind down the bolt and drill out hole with 3/8 drill and replace with 3/8 bolt, lock washer, and nut.
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Old 06-07-2020, 07:43 PM   #3
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Quote:
Originally Posted by BlackbeastSS2 View Post
15mm on the two bolt flange. If stripped and can’t get bolt out then grind down the bolt and drill out hole with 3/8 drill and replace with 3/8 bolt, lock washer, and bolt.
Most of my Miata's exhaust is bolted up using that very method... 20 year old car problems lol.
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Old 06-08-2020, 09:22 PM   #4
00Form
 
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When I was taking off my exhaust I rounded the nut as well.
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