Home/All Parts/Borla/Borla Boomers Muffler (40057)
Product Details

The Borla Boomers Thumper muffler is a universal oval muffler with a 2-1/4-inch inlet and a 4-inch side round outlet. It is fully polished T-304 stainless steel with integrated polished tips, made for the street or track.

Part number: 40057

Borla polished muffler.

BORLA® Boomers are full-blown, high-tech, dyno and race-proven mufflers for the street or track. In addition to adding head-turning sound, they also add a modest boost in horsepower. They utilize 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control.

Specifications

Manufacturer data for this part — all visible, no tabs to dig through.

BrandBorla
Part number40057
FinishPolished
MaterialT-304 Stainless Steel
Shipping carton11 × 5 × 27 in (28 × 13 × 69 cm)
Shipping weight5.4 kg (12 lb)
Product dimensionsLength 23.5 in (59.7 cm)
Body height7.880 in
Outlet positionCenter
Tip / outlet finishPolished T-304 Stainless Steel
Overall length23.50 in
Outlet typeSingle Center Outlet
Outlet outside diameter2.250 in
Body length14.000 in
Muffler count1
Main piping diameter2.250 in
Inlet typeSingle Center
Inlet positionCenter
Grade typePerformance
ConstructionAll Welded
Body width4.25 in
CategoryExhaust & Performance
Borla Boomers Muffler (40057)
40057
$418.59
$418.59delivered across Canada · no extra fees at delivery

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