2009-13 Infiniti G37 Sedan Stainless Cat-Back Exhaust
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Stillen

2009-2013 Infiniti G37 Sedan, 2015 Q40 Stainless Steel Cat-Back Exhaust System - 504377

504377

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Product Features

  • 304 Stainless Steel Construction
  • Fits RWD & AWD Models
  • Polished 304SS Dual Wall Tips
  • Authoratative Tone Under Throttle

 

BENEFITS

  • 19 WHP Increase (horsepower to the wheels)*
  • Gain Torque*
  • Mild note at idle; Cruising- Aggressive note under throttle
  • Compliments the factory exhaust cut out nicely
  • Perfect solution for those who value a more luxurious and quiet cabin feel along with enhanced sound.
  • Delivers an aggressive look that matches the enhanced exhaust note.

*Results May Vary!

 

2009-2013 Infiniti G37 Sedan, 2015 Q40 Stainless Steel Cat-Back Exhaust System - 504377

 

Increase performance with the STILLEN Cat Back Exhaust for Infiniti G37 and Infiniti Q40. This exhaust features a Dual split rear exit. This STILLEN Infiniti G37 Exhaust has dual polished tips. The G37 Exhaust improves the sound and increases the performance of the vehicle.

 

STILLEN's Cat-Back Exhaust System helps drum up substantial horsepower and torque, giving your G37 the extra edge of performance. This Cat-Back Exhaust System is a true Cat-Back System, and is crafted of Mandrel-bent Stainless Steel for a long service life. At idle the STILLEN Exhaust is unobtrusive, and at higher speeds or under throttle, STILLEN's recognizable, performance sound is evident. This is a pleasing tone, authoritative and yet responsible. Not only does this exhaust system have a sharp, show ready look, but it also offers impressive horsepower and torque gains as well as a lifetime warranty and is easy to install.

 

STILLEN's Cat-Back Exhaust for the Infiniti G37 is built for power. Power that you can feel across the power band with a big gain on top. Mileage gains during highway travel can be expected as you cruise at steady speeds. The free flowing performance mufflers and tips are made out of polished stainless steel for long life. The Stillen fit and finish is second to none. The improved airflow created by the addition of the exhaust is verified by the significant dyno HP increase.

Customer Reviews

Based on 6 reviews Write a review

Customer Reviews

Based on 6 reviews
67%
(4)
33%
(2)
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C
Chris
G37x exhaust

I got the cat-back exhaust. It isn’t obnoxious at all, great quality and easy to put on! Very good sounding exhaust!

t
tony white
good replacement

factory exhaust rotted out so I replaced it with this to pass state inspections. Really happy with the quality and fitment. Looks great after multiple winters.

s
steve taylor
good fitment

well manufactured and good fitment, I just wanted something louder so I'm going to remove the resonators. I like loud exhausts!

j
jose gutierrez
Nice tone

Great exhaust, overall really happy with the sound. It's quite when I'm crusing and aggressive when I stand on it. Perfect! Only reason for a four, is because FedEx damaged my first shipment in transit. STILLEN sent me a replacement immediately but I was bummed about the original damage.

m
marco aguilar
great finish

really happy with the overall exhaust. It looks great, fit really well and I can feel the difference in power.