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Borla Exhaust

Borla Exhaust

Product DescriptionInlet Diameter (ID)Outlet Diameter (OD)Primary Tube ODCase SizeDiameterPart#
XR-1® Stainless Collector Muffler
SHORTY / Full Chassied Cars (Accepted in NHRA, IHRA, Hot Rod Series, Brackets, Super Chevy, NSCA)
2"3 1/2"14"6 1/4"40998
2 1/8"3 1/2"14"6 1/4"40997
2 1/4"4"14"6 3/4"40976
2 3/8"4 1/2"14"6 3/4"40977
2 1/2"5"14"6 3/4"40784
STANDARD / Dragsters, Altereds, Roadsters
2"3 1/2"18 1/2"6 1/4"40702
2 1/4"4"20 1/2"6 3/4"40728
2 3/8"4 1/2"20 1/2"6 3/4"40703
2 1/2"4 1/2"20 1/2"6 3/4"40743
XR-1® Stainless Racing Dragster Headers
DOWNSWEPT
2 1/4"17105
2 3/8"17106
UPSWEPT
2"17103
2 1/4"17104
2 3/8"17107
2 1/2"17109
XR-1® Stainless Header/Collector/Muffler Systems
DOWNSWEPT / Dragsters, Altereds
2 1/4"4"2 1/4"17082
2 3/8"4 1/2"2 3/8"17095
UPSWEPT / Dragsters
2"3 1/2"2"17035
2 1/4"4"2 1/4"17036
2 3/8"4 1/2"2 3/8"17096
2 1/2"4 1/2"2 1/2"17098
XR-1® Stainless Racing Bullet Mufflers
Midgets, 3/4 Midgets, Mini Sprints, Dwarf Cars
2 1/4"2 1/4"14"3 1/2"40640
2 1/2"2 1/2"14"3 1/2"40641
XR-1® Stainless Shoot-Out Racing Mufflers
Large Displacement Full-Bodied Cars with 4 1/2" & 5" Collector, NOS
4 1/2"4 1/2"16" x 5 1/2" x 8 1/2"40769
5"5"16" x 5 1/2" x 8 1/2"40770
XR-1® Stainless Sportsman Racing Mufflers
OFFSET / NHRA Stock Eliminator and Super Stock, Sprints, Midgets
3"3"14" x 4" x 8"40078
4"4"14" x 4" x 8"40080
OVAL / All Full-Bodied Cars
2 1/2"2 1/2"12" x 4 1/2" x 7 7/8"40941
2 1/2"2 1/2"16" x 4 1/2" x 7 7/8"40942
3"3"12" x 4 1/2" x 7 7/8"40943
3"3"16" x 4 1/2" x 7 7/8"40944
3 1/2"3 1/2"12" x 4 1/2" x 7 7/8"40945
3 1/2"3 1/2"16" x 4 1/2" x 7 7/8"40946
4"4"12" x 4 1/2" x 7 7/8"40947
4"4"16" x 4 1/2" x 7 7/8"40948
XR-1® Stainless Sportsman Racing Mufflers
ROUND / All Race Venues Requiring Highest Flow Muffler, Space Allowing
3"3"15"5"40085
3 1/2"3 1/2"15"5"40086
XR-1® Stainless Junior Dragster Racing Mufflers
FULL SIZE / 8, 9, 10, and 11 Second Bracket
3 Core1 3/4"2 1/4"13"4 1/2"40483
4 Core1 3/4"2 1/4"15"4 1/2"40484
XR-1® Stainless Junior Dragster Headpipe
60072
XR-1® Stainless Turndowns/Turnouts
Designed to Deflect Exhaust Gases Away from Valence/Body Panels
3 1/2"7" length20145
4"7" length20146
XR-1® Stainless Multicore Racing Mufflers
OVAL / All Full-Bodied Cars
3"3"16" x 4 1/4" x 7 7/8"40575
3 1/2"3 1/2"12" x 4 1/4" x 7 7/8"40726
3 1/2"3 1/2"16" x 4 1/4" x 7 7/8"40727
ROUND / All Race Venues Requiring Highest Flow Muffler, Space Allowing
3 1/2"3"12"6 1/4"40720
4"4"12"6 1/4"40740
4"4"16"6 1/4"40741
XR-1® Stainless Race Adapters
3"3 1/2"6"60062
3 1/2"4"6"60063
Universal Performance Mufflers
TURBO
2"2"13 1/4" x 4" x 9 1/2"40651
2"2"14" x 4 1/4" x 7 7/8"40657
2 1/4"2 1/4"13 1/4" x 4" x 9 1/2"40652
2 1/4"2 1/4"14" x 4 1/4" x 7 7/8"40658
2 1/2"2 1/2"13 1/4" x 4" x 9 1/2"40653
2 1/2"2 1/2"14" x 4 1/4" x 7 7/8"40659
2 1/4"2 1/4"13 1/4" x 4 1/4" x 7 7/8"40981
2 1/2"2 1/2"13 1/4" x 4 1/4" x 7 7/8"40980
TURBO XL
2 1/4"2 1/4"19" x 4" x 9 1/2"40664
2 1/2"2 1/2"19" x 4" x 9 1/2"40665
3"2 2 1/4"19" x 4" x 9 1/2"40670
Borla Boomers
THUMPER (Oval)2 1/4"4" Side Round14" x 4 1/2" x 7 7/8"40057
ROCK-IT (Round)2 1/4"4 1/2" Round14" x 6 3/4" x 6 3/4"40058
SPIT FIRE (Oval)2 1/4"3" Dual DTM14" x 8 1/2" x 5 1/2"40059
BLOW TORCH (Oval)2 1/4"4" Side Round14" x 8 1/2" x 5 1/2"40060
WAILTAIL (Oval)2 1/4"5" Side Round14" x 8 1/2" x 5 1/2"40061
LEFT COLUMN
RIGHT COLUMN