If you are concerned about CA legalities, the main ones will be:
Vehicle Code - VEH
DIVISION 12. EQUIPMENT OF VEHICLES [24000 - 28160]
( Division 12 enacted by Stats. 1959, Ch. 3. )
CHAPTER 5. Other Equipment [27000 - 28160]
( Chapter 5 enacted by Stats. 1959, Ch. 3. )
ARTICLE 2. Exhaust Systems [27150 - 27159]
( Article 2 enacted by Stats. 1959, Ch. 3. )
27151.
(a) A person shall not modify the exhaust system of a motor vehicle in a manner which will amplify or increase the noise emitted by the motor of the vehicle so that the vehicle is not in compliance with the provisions of Section 27150 or exceeds the noise limits established for the type of vehicle in Article 2.5 (commencing with Section 27200). A person shall not operate a motor vehicle with an exhaust system so modified.
(b) For the purposes of exhaust systems installed on motor vehicles with a manufacturer’s gross vehicle weight rating of less than 6,000 pounds, other than motorcycles, a sound level of 95 dbA or less, when tested in accordance with Society of Automotive Engineers Standard J1492 October 2008, complies with this section. Motor vehicle exhaust systems or parts thereof include, but are not limited to, nonoriginal exhaust equipment.
Vehicle Code - VEH
DIVISION 12. EQUIPMENT OF VEHICLES [24000 - 28160]
( Division 12 enacted by Stats. 1959, Ch. 3. )
CHAPTER 5. Other Equipment [27000 - 28160]
( Chapter 5 enacted by Stats. 1959, Ch. 3. )
ARTICLE 2. Exhaust Systems [27150 - 27159]
( Article 2 enacted by Stats. 1959, Ch. 3. )
27150.
(a) Every motor vehicle subject to registration shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise, and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device.
(b) Except as provided in Division 16.5 (commencing with Section 38000) with respect to off-highway motor vehicles subject to identification, every passenger vehicle operated off the highways shall at all times be equipped with an adequate muffler in constant operation and properly maintained so as to meet the requirements of Article 2.5 (commencing with Section 27200), and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device.
(c) The provisions of subdivision (b) shall not be applicable to passenger vehicles being operated off the highways in an organized racing or competitive event conducted under the auspices of a recognized sanctioning body or by permit issued by the local governmental authority having jurisdiction.
(Amended by Stats. 1977, Ch. 558.)
(Amended by Stats. 2019, Ch. 643, Sec. 9. (SB 358) Effective January 1, 2020.)
So all that aside, there is a guy in Irvine who is selling his 2.5" Magnaflow exhaust for $600... He had a 2.0 though so I'm not sure if it will fit your 1.5...
www.accordxclub.com
Law section
leginfo.legislature.ca.gov
Vehicle Code - VEH
DIVISION 12. EQUIPMENT OF VEHICLES [24000 - 28160]
( Division 12 enacted by Stats. 1959, Ch. 3. )
CHAPTER 5. Other Equipment [27000 - 28160]
( Chapter 5 enacted by Stats. 1959, Ch. 3. )
ARTICLE 2. Exhaust Systems [27150 - 27159]
( Article 2 enacted by Stats. 1959, Ch. 3. )
27151.
(a) A person shall not modify the exhaust system of a motor vehicle in a manner which will amplify or increase the noise emitted by the motor of the vehicle so that the vehicle is not in compliance with the provisions of Section 27150 or exceeds the noise limits established for the type of vehicle in Article 2.5 (commencing with Section 27200). A person shall not operate a motor vehicle with an exhaust system so modified.
(b) For the purposes of exhaust systems installed on motor vehicles with a manufacturer’s gross vehicle weight rating of less than 6,000 pounds, other than motorcycles, a sound level of 95 dbA or less, when tested in accordance with Society of Automotive Engineers Standard J1492 October 2008, complies with this section. Motor vehicle exhaust systems or parts thereof include, but are not limited to, nonoriginal exhaust equipment.
Law section
leginfo.legislature.ca.gov
Vehicle Code - VEH
DIVISION 12. EQUIPMENT OF VEHICLES [24000 - 28160]
( Division 12 enacted by Stats. 1959, Ch. 3. )
CHAPTER 5. Other Equipment [27000 - 28160]
( Chapter 5 enacted by Stats. 1959, Ch. 3. )
ARTICLE 2. Exhaust Systems [27150 - 27159]
( Article 2 enacted by Stats. 1959, Ch. 3. )
27150.
(a) Every motor vehicle subject to registration shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise, and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device.
(b) Except as provided in Division 16.5 (commencing with Section 38000) with respect to off-highway motor vehicles subject to identification, every passenger vehicle operated off the highways shall at all times be equipped with an adequate muffler in constant operation and properly maintained so as to meet the requirements of Article 2.5 (commencing with Section 27200), and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device.
(c) The provisions of subdivision (b) shall not be applicable to passenger vehicles being operated off the highways in an organized racing or competitive event conducted under the auspices of a recognized sanctioning body or by permit issued by the local governmental authority having jurisdiction.
(Amended by Stats. 1977, Ch. 558.)
(Amended by Stats. 2019, Ch. 643, Sec. 9. (SB 358) Effective January 1, 2020.)
So all that aside, there is a guy in Irvine who is selling his 2.5" Magnaflow exhaust for $600... He had a 2.0 though so I'm not sure if it will fit your 1.5...
[WTS] Parting out my Accord - PRL, RV6, TEIN, Ktuner...
I've sold my Accord about 2 6 weeks ago, and now I'd like to get rid of the stuffs came off of it. I'm located in SoCal near Irvine or Corona. DM me if you see anything you're interested. 1. KTunerFlash V1.2 - SOLD 2. RV6 Catless Downpipe wrapped with DEI Ti Heat Wrap for 2.0T - SOLD 3...
www.accordxclub.com
