Skip to content

4" x 9" Oval Body Mufflers

Our universal mufflers have been engineered to produce MagnaFlow's deep, resonant, throaty sound, regardless of system configuration. MagnaFlow utilizes CNC precision robotic manufacturing for consistent quality performance. Corrosion resistant stainless steel is used throughout, including in the body, caps, and bushings, to ensure maximum service life and durability.

4" x 9" Oval Body Mufflers

Our universal mufflers have been engineered to produce MagnaFlow's deep, resonant, throaty sound, regardless of system configuration. MagnaFlow utilizes CNC precision robotic manufacturing for consistent quality performance. Corrosion resistant stainless steel is used throughout, including in the body, caps, and bushings, to ensure maximum service life and durability.

4" x 9" Oval Body Mufflers
Filters
Filters Sort By
PART TYPE
SERIES

xMOD
A revolutionary solution for personalized exhaust experiences.

OVERLAND
Enhance the off-road capabilities, performance and sound of your vehicle.

SPEQ
The smooth deep sound you want and the wide-open performance power you need.

STREET/TOURING
Balances a deep, smooth performance sound with moderate sound levels and increased performance.

COMPETITION/SPORT
Aggressive exhaust note outside and increased engine sound inside with reduced mass mufflers.

RACE
Very aggressive exhaust note without muffler for maximum performance and mass reduction.

PRICE
The highest price is $180.00 Reset $
$
INLET INSIDE DIAMETER
OUTLET INSIDE DIAMETER
INLET TYPE
OUTLET TYPE
OVERALL LENGTH
BODY LENGTH
SORT: Best selling
View:
57 products
MagnaFlow 4 in. x 9 in. x 14 in. Oval Straight-Through Performance Exhaust Muffler 11234
Verified Fit
MagnaFlow 4 in. x 9 in. x 14 in. Oval Straight-Through Performance Exhaust Muffler 11234
$130 Save
No reviews for this product yet
SKU: 11234
Body Height / Width / Length
4" / 9" / 14"
Inlet / Outlet Diameter
2" / 2"
Fitment Notes View All fitment notes
    {{fitmentNotes}}
Learn More

Size: Default Title
Learn More about MagnaFlow 4 in. x 9 in. x 14 in. Oval Straight-Through Performance Exhaust Muffler 11234
MagnaFlow 4 in. x 9 in. x 18 in. Oval Straight-Through Performance Exhaust Muffler 11265
Verified Fit
MagnaFlow 4 in. x 9 in. x 18 in. Oval Straight-Through Performance Exhaust Muffler 11265
$146 Save
No reviews for this product yet
SKU: 11265
Body Height / Width / Length
4" / 9" / 18"
Inlet / Outlet Diameter
2.25" / 2.25"
Fitment Notes View All fitment notes
    {{fitmentNotes}}
Learn More

Size: Default Title
Learn More about MagnaFlow 4 in. x 9 in. x 18 in. Oval Straight-Through Performance Exhaust Muffler 11265
MagnaFlow 4 in. x 9 in. x 18 in. Oval Straight-Through Performance Exhaust Muffler 11264
Verified Fit
MagnaFlow 4 in. x 9 in. x 18 in. Oval Straight-Through Performance Exhaust Muffler 11264
$139 Save
No reviews for this product yet
SKU: 11264
Body Height / Width / Length
4" / 9" / 18"
Inlet / Outlet Diameter
2" / 2"
Fitment Notes View All fitment notes
    {{fitmentNotes}}
Learn More

Size: Default Title
Learn More about MagnaFlow 4 in. x 9 in. x 18 in. Oval Straight-Through Performance Exhaust Muffler 11264
MagnaFlow 4 in. x 9 in. x 14 in. Oval Straight-Through Performance Exhaust Muffler 11239
Verified Fit
MagnaFlow 4 in. x 9 in. x 14 in. Oval Straight-Through Performance Exhaust Muffler 11239
$149 Save
No reviews for this product yet
SKU: 11239
Body Height / Width / Length
4" / 9" / 14"
Inlet / Outlet Diameter
3" / 3"
Fitment Notes View All fitment notes
    {{fitmentNotes}}
Learn More

Size: Default Title
Learn More about MagnaFlow 4 in. x 9 in. x 14 in. Oval Straight-Through Performance Exhaust Muffler 11239
MagnaFlow XL Series 4 in. x 9 in. x 14 in. Oval Multi-Chamber Performance Exhaust Muffler 13288
Verified Fit
MagnaFlow XL Series 4 in. x 9 in. x 14 in. Oval Multi-Chamber Performance Exhaust Muffler 13288
$162 Save
1 reviews with an average of 5.0 star rating
SKU: 13288
Body Height / Width / Length
4" / 9" / 14"
Inlet / Outlet Diameter
3" / 2.5"
Fitment Notes View All fitment notes
    {{fitmentNotes}}
Learn More

Size: Default Title
Learn More about MagnaFlow XL Series 4 in. x 9 in. x 14 in. Oval Multi-Chamber Performance Exhaust Muffler 13288
MagnaFlow 4 in. x 9 in. x 11 in. Oval Straight-Through Performance Exhaust Muffler 11375
Verified Fit
MagnaFlow 4 in. x 9 in. x 11 in. Oval Straight-Through Performance Exhaust Muffler 11375
$130 Save
No reviews for this product yet
SKU: 11375
Body Height / Width / Length
4" / 9" / 11"
Inlet / Outlet Diameter
2.25" / 2.25"
Fitment Notes View All fitment notes
    {{fitmentNotes}}
Learn More

Size: Default Title
Learn More about MagnaFlow 4 in. x 9 in. x 11 in. Oval Straight-Through Performance Exhaust Muffler 11375
Keep Up With MagnaFlow
Episode 027: Bisi Ezerioha - The MF Show

EPISODE 027: BISI EZERIOHA - THE MF SHOW

Bisi Ezerioha comes by to discuss engineering, innovation, and building cars that challenge conventional thinking.

Learn More about Episode 027: Bisi Ezerioha - The MF Show
Episode 026: Mario Andretti - The MF Show

EPISODE 026: MARIO ANDRETTI - THE MF SHOW

Mario Andretti sits down with us to talk about one of the most influential careers in motorsports history.

Learn More about Episode 026: Mario Andretti - The MF Show
Episode 025: Andy Buckworth - The MF Show

EPISODE 025: ANDY BUCKWORTH - THE MF SHOW

Tune into Andy Buckworth, a world-class BMX rider, to talk about the link between action sports and car culture.

Learn More about Episode 025: Andy Buckworth - The MF Show
Episode 024: Jason Campbell & Kyle Jergensen - The MF Show

EPISODE 024: JASON CAMPBELL & KYLE JERGENSEN - THE MF SHOW

On this episode of The MF Show, we sit down with Jason Campbell and Kyle Jergensen.

Learn More about Episode 024: Jason Campbell & Kyle Jergensen - The MF Show