Shopping Cart: $0.00now in Your cart 0 items

Borla® - Boomer Thumper Universal Oval Muffler with Tip

BOR-40057 Borla® Boomer Muffler w/Tip - Thumper BOR-40057 Borla® Boomer Muffler w/Tip - Thumper Borla@ - Brand Anthem Promo 602x420
Item Number: 89870

# BOR-40057 - Borla Boomer Universal Muffler w/Tip - Thumper. Street or track, Borla Boomer Series mufflers are race and dyno-proven high-tech winning solutions, delivering 7% to 10% horsepower boost and impressive sound. Million Mile Warranty with aircraft-quality austenitic stainless steel. 2.25" Inlet Side Round, 4.00" Outlet Side Round, 14" x 4.5" x 7.875" Case Size.

Availability: In Stock
Usually ships within 24 to 48 hours
Any Questions? Chat with a Specialist >
$191.99
List:$239.99
Save:$48.00 (20%)
Lowest Price Guarantee
Add to Cart
Free Shipping
Product Details

# BOR-40057 - Borla Boomer Universal Muffler w/Tip - Thumper. Street or track, Borla Boomer Series mufflers are race and dyno-proven high-tech winning solutions, delivering 7% to 10% horsepower boost and impressive sound. Million Mile Warranty with aircraft-quality austenitic stainless steel. 2.25" Inlet Side Round, 4.00" Outlet Side Round, 14" x 4.5" x 7.875" Case Size.

Borla is world's accepted leader in aftermarket exhaust products, serving high-quality mufflers, cat-back exhaust systems and other exhaust products that are used on cars worldwide to add extra power and deliver unforgettable and impressive sound. Shop Borla products as you all Borla products are simply the best on the market.

FWD=Front Wheel Drive, RWD=Rear Wheel Drive, AWD=All Wheel Drive, AT=Automatic Trans., MT=Manual Trans., DR=Door, OV=Oval, RD=Round, SQ=Square, RE=Rectangular.

Brand: Borla       Part Number: BOR-40057
bill me later Borla Exhaust Systems

It is recommended to have your BORLA professionally installed; however, if you choose to do it yourself, anticipate approximately two hours for a system install and approximately six hours for header installation. BORLA PERFORMANCE INDUSTRIES, INC. warrants its products to the original purchaser of record and for the original vehicle on which the product was installed, against defects in materials and workmanship for one million miles.

Borla® - Boomer Thumper Universal Oval Muffler with Tip (2 latest reviews)
Borla BOR-40057

Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for the purchased product, please follow the link in the email message that you will receive after completing the purchase. You can rate appearance, ease of installation, price/value and product quality.

Customers' rating:
Appearance10
Ease of Installation9
Price/Value10
Quality10
2000 Mitsubishi Eclipse
10Appearance
8Ease of Installation
10Price/Value
10Quality

"This muffler looks awesome on my car and sounds great! I have noticed a little bit of extra power added as well. It made my car sound deeper and not as high pitched when I am speeding up. I would defenently recommend this product to anyone!"

Was this review helpful?32399yes32399no
Borla® - Boomer Thumper Universal Oval Muffler with Tip
10Appearance
10Ease of Installation
10Price/Value
10Quality

"Midas muffler had to make a piece of pipe for it to install it. Yes it's worth the cost and will tell a friend."

Was this review helpful?17224yes17224no
All Borla Exhaust Systems reviews >>
More Accessories
Product Reviews
Borla® - Boomer Thumper Universal Oval Muffler with Tip (2 reviews)
All Borla Exhaust Systems reviews >>

Contact Us

CARiD.com · Eight-A Corporate Center · 1 Corporate Drive · Cranbury · New Jersey · 08512 · USA
Toll Free: 800.505.3274 · International: 609.642.4700 · Fax: 609.964.1983

Follow Us

All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only.
It is neither inferred nor implied that any item sold by CARiD.com, is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.