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Invidia HS12HC4GTT Cat-Back Exhaust System - N1

(2012-2013 Honda Civic Si HFP; 2012-2014 Honda Civic Si; 2001-2002 BMW Z3 M Roadster; 2001-2002 BMW 530i)

Manufacturer

Part Number

HS12HC4GTT
Sale Price

$722.20

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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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 for drivers seeking aggressive sound and measurable power gains, this exhaust system transforms your vehicle's performance characteristics from the mid-range through redline.

Premium Construction:

  • Constructed from high-grade SUS304 stainless steel for superior durability and corrosion resistance
  • CNC-machined flanges ensure precise fitment and leak-free sealing
  • Full mandrel-bent piping maintains consistent diameter throughout for maximum exhaust flow
  • Polished stainless steel finish provides a clean, professional appearance
  • TIG-welded construction for strength and longevity

Performance Benefits:

  • Reduces exhaust backpressure for improved engine efficiency
  • Optimized for strong mid to top-end power gains
  • Increases horsepower and torque across the powerband
  • Aggressive N1-style exhaust note with deep, sporty tone

The Invidia N1 series has earned its reputation in motorsports through proven performance and reliable construction. This exhaust system is designed as a direct bolt-on replacement for your factory cat-back system, providing enthusiasts with a straightforward upgrade path to unlock hidden performance potential.

Products specifications

Fits

2012-2013 Honda Civic Si HFP; 2012-2014 Honda Civic Si; 2001-2002 BMW Z3 M Roadster; 2001-2002 BMW 530i

Piping

70mm

Tip

101mm

Tip Style

Single Layer Ti

Should offer free shipping like most other online vendors.

quick and easy

Cheapest price around, shipped fast, had a tracking number, kept me up to date on my order. What more could you ask for?

Great price and super fast shipping.

Good pricing.

That was SO EASY! No sign-ups or info to fill out (used Amazon Payments), so I had plenty of time to write this review!

Hard to find part in stock I hope

Price was much lower than any other parts dealer. Even with standard shipping, the parts arrived in a couple of days. Would use autoplicity again. Absolutely no problems.

Great price and fast shipping. Can't wait to try these pads out!

Low price fast delivery.

Best total price on what i was looking for.

First time, very positive, good price

Product was as described. Came very quickly...thanks.

I ordered an AEM intake from Autoplicity because they had the best prices but it was on backorder from AEM. Autoplicity emailed me to let me know right away and sent me a confirmation when it was back in stock. I'll be shopping here again!

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