Tuned in dropped C
Not sure if i covered everything but this is the basic way of playing it

. = palm mute
h = hammer-on
p = pull-off
~ = let ring

intro from Boondock Saints

drum intro        |
                 \|/let ring through guitar intro riff
F|--------------------------------|
C|--------------------------------|
G|--------------------------------|
C|0~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                         x3
F|----------------------------------------|
C|----------------------------------------|
G|--3-3h5--3-3h5--6p5--3-3h5--1p0-3p0-1h--|
C|00-----00-----00---00-----00----------3-|

                                  x1
F|---------------------------------|
C|---------------------------------|
G|--3-3h5--3-3h5--6p5--10-8-78-7-3-|
C|00-----00-----00---00------------|

  Verse 1.         x8
F|------------------|
C|------------------|
G|------------------|
C|0----8----10----7-|
  ^    ^    ^     ^
 (16x)(8x) (4x)  (4x)

  Build-up to breakdown
F|-----------------------|
C|-----------------------|
G|-----------------------|
C|8----10----7----5----3-|
  ^    ^     ^    ^    ^
 (16x)(8x)  (x4) (x2) (2x)

  Breakdown                                                 x1
F|----------------------------------------------------------|
C|----------------------------------------------------------|
G|----------------------------------------------------------|
C|000000000~~~~~~~000000000~~~~~~~00000000~~~~~~~000000000~~


F|----------------------------------------|
C|----------------------------------------|
G|----------------------------------------|
C|000000000~~~0~0~00~0~0~000000000~~~~~~~~

F|----------------------------------------------|
C|----------------------------------------------|
G|----------------------------------10-8-78-7-3-|
C|000000000~~~0~0~00~0~0~000000000~~------------|

                                       x3
F|--------------------------------------|
C|--------------------------------------|
G|--------------------------10-8-78-7-3-|
C|8----10----7----000000000~------------|
  ^    ^     ^
 (8x) (4x)  (4x)

F|----------------------------------------|
C|----------------------------------------|
G|----------------------------------------|
C|8----10----7----000000000~~~~0~0~00~0~0-|
  ^    ^     ^
 (8x) (4x)  (4x)
                        x2
F|----------------------|
C|----------------------|
G|----------------------|
C|000000000~~~0~0~00~0~0

  Drum solo
F|--------------------------------|
C|--------------------------------|
G|--------------------------------|
C|0~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  Verse 2              x8
F|---------------------|
C|---------------------|
G|---------------------|
C|0----8----10----7----|
  ^    ^    ^     ^
 (16x)(8x) (4x)  (4x)

  Build-up to breakdown
F|-----------------------|
C|-----------------------|
G|-----------------------|
C|8----10----7----5----3-|
  ^    ^     ^    ^    ^
 (16x)(8x)  (4x) (2x) (2x)

  Breakdown                                                 x1
F|----------------------------------------------------------|
C|----------------------------------------------------------|
G|----------------------------------------------------------|
C|000000000~~~~~~~000000000~~~~~~~00000000~~~~~~~000000000~~

F|----------------------------------------|
C|----------------------------------------|
G|----------------------------------------|
C|000000000~~~0~0~00~0~0~000000000~~~~~~~~

F|----------------------------------------------|
C|----------------------------------------------|
G|----------------------------------10-8-78-7-3-|
C|000000000~~~0~0~00~0~0~000000000~~------------|

                                       x3
F|--------------------------------------|
C|--------------------------------------|
G|--------------------------10-8-78-7-3-|
C|8----10----7----000000000~------------|
  ^    ^     ^
 (8x) (4x)  (4x)

F|----------------------------------------|
C|----------------------------------------|
G|----------------------------------------|
C|8----10----7----000000000~~~~0~0~00~0~0-|
  ^    ^     ^
 (8x) (4x)  (4x)

F|----------------------|
C|----------------------|
G|----------------------|
C|000000000~~~0~0~00~0~0

  Drum fill
F|---------|
C|---------|
G|---------|
C|0~~~~~~~~

  Chorus                          x8
F|--------------------------------|
C|--------------------------------|
G|55555555888888881111111133334444
C|--------------------------------

  Outro
F|---------------------------------|
C|---------------------------------|
G|---------------------------------|
C|0~~~~~~~~~~~~~~~~0~~~~~~~~~~~~~~~|

End

tell me what you think, if you see any errors, please let me know