does any one know the size and length of bolts

Wish You had Asked me this Question last Fall,,, as it has been a year since this part was replaced. Think the bolts were approx. 4 inches ? Just look at the photo of the bolts and the nuts... almost a 4 to 1 ratio... After a Year the extenr ion pipes between the muffler and the Cat Converter Rotted out. Now I have to replace them again ! Which will cost about another $ 50.00 while the tailpipe will cost $ 39.95 Go figure.,,

Does it fit 2012 Fiat 500 exhaust manifold?

look up the part number for your type of exhust manifold. my car was a 1997 chevy blazer ls 4.3 so check to make sure it fit

Are these fitable on a Vulcan 3L V6?

This is a universal setup, it should fit just about any flange type. Measure your bolts and compare them to these. As for absolutely fitting anything, it isn't possible for one set to fit anything. Take the measurements and then compare until you find what will do the job. Hope that helped.

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🔧 Upgrade your ride with rock-solid reliability—because your exhaust deserves the best!

OEM COMPATIBILITY - Seamlessly replaces multiple OEM part numbers, making it the go-to choice for professional-grade repairs.
LIFETIME CONFIDENCE - Backed by Dorman’s limited lifetime warranty, so you can trust your exhaust system stays secure for the long haul.
COMPACT LIGHTWEIGHT - At just 263 grams and compact dimensions, it’s engineered for easy handling without compromising strength.
EFFORTLESS INSTALLATION - Hex head design with right-hand threading guarantees a perfect direct fit replacement—no hassle, no guesswork.
ENGINEERED FOR ENDURANCE - Grade 5 alloy steel ensures superior durability and long-lasting performance under extreme conditions.

The Dorman Exhaust Flange Hardware Kit is a premium-grade, direct-fit flange bolt crafted from Grade 5 alloy steel with a hex head and right-hand thread. Designed for professional-grade exhaust repairs, it offers enhanced durability, precise fitment, and is backed by a limited lifetime warranty. Proudly made in the USA, this kit ensures your vehicle’s exhaust system stays secure and reliable.

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Material	Alloy Steel
Manufacturer Grade	Grade 5
Head Style	Hex
Fastener Type	Flange Bolt
Brand	Dorman
Thread Type	UN
Thread Style	Right Hand
Item Hardness	Grade 8.8
Metal Type	Alloy Steel
Head Type	Hex
Number of Pieces	1
UPC	037495031332
Global Trade Identification Number	00037495031332
Manufacturer	Dorman - HELP
Product Dimensions	3.05 x 4.83 x 13.72 cm; 263.08 g
Item model number	03133
Manufacturer Part Number	03133
OEM Part Number	ES75106; 10220453; 15028620; 15096144; 15708209; 15712163; 15756879; N811115-S; W705444-S900
Assembly Required	No
Manufacturer	Dorman - HELP
Country of Origin	USA
Item Weight	263 g

Dorman Exhaust Flange Hardware Kit - Bolt Kit - Steel - Grade 5 - Hex Head - Right Hand Thread

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