My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Invidia HS11STIGTP Cat-Back Exhaust System - N1

(2009-2013 Subaru Forester; 1979, 1988-1993 Buick Regal Limited; 1965-1996 Buick LeSabre; 1977-1979 Buick Century Custom)

Manufacturer

Picture for manufacturer Invidia

Part Number

HS11STIGTP
10 reviews
Sale Price

$1,030.18

In Stock (7)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Invidia N1 Cat-Back Exhaust System delivers an exceptional balance of performance and value for motorsport enthusiasts. Engineered with precision-mandrel bent piping, this exhaust system maximizes exhaust flow while significantly reducing back pressure for noticeable power gains throughout the mid to top-end RPM range.

Premium Construction:

  • High-grade SUS304 stainless steel construction for superior durability and corrosion resistance
  • CNC-machined flanges ensure precise fitment and leak-free sealing
  • Polished stainless steel finish for a clean, professional appearance
  • Mandrel-bent piping maintains consistent diameter throughout for optimal flow

Performance Benefits:

  • Increases horsepower and torque across the powerband
  • Enhanced throttle response and acceleration
  • Aggressive exhaust note that reflects true motorsport character
  • Reduced exhaust back pressure for improved engine efficiency

Invidia's N1 series exhausts are designed for drivers who demand quality engineering and proven performance gains without compromise.

Products specifications

Fits

2009-2013 Subaru Forester; 1979, 1988-1993 Buick Regal Limited; 1965-1996 Buick LeSabre; 1977-1979 Buick Century Custom

Piping

76mm

Tip

101mm

Tip Style

Single Layer SS

Ordered these pads from another source & it was cancelled stating unavailable. Autoplicity has the same part, a bit more $ but they have the part I need and that is what counts. Thanks Autoplicity! You have my business!

very good

Quick and easy

nice find

good price, I need quick

I'm always had a great experience!

So far so good...

easy and hassle free buying experience with incredible prices

Great prices, good deals n shipping prices are rreasonable.

Best price on the web (order#10369). Fast order and they had the products I wanted. Will recommend and purchase again from them.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy